- Lamp Size and Comparison Features [灯泡大小及特征对比] (PDF). WW Grainger Inc. （英语）.
A=Arbitrary [...] Lamp size (maximum lamp diameter) is expressed by a number representing eighths of an inch.
- Light Bulb Reference Guide [灯泡参考指南]. Superior Lighting （英语）.
The letter indicates the shape of the bulb and the number relates to the diameter of the bulb in eighths of an inch. The most commonly used household bulb is the A-19.
- IS 14897 (2000): Glass Bulb Designation System for Lamps - Guide (PDF). [21 March 2017].
A bulb shape having a spherical and [sic; end?] section that is joined to the neck by a radius [...] A60: An “A” shape bulb with a nominal major diameter of 60 mm.
- Light Bulb Shapes and Sizes Explained [灯泡大小及尺寸详解]. LED University. EagleLight （英语）.
'A' type bulb shapes are standard house hold light bulbs. The number after the bulb shape is the number of eighths of an inch in diameter. For non-imperial measured bulbs the number following the bulb shape is the number of centimeters [sic] at the widest point of the bulb. Standard bulb sizes include A19 for imperial measurements and A60 for a slightly smaller metric measured bulb.
- LED Start GLS: 40, 60, 75 & 90w equivalents (PDF). 通用电气照明.
- JIS C 7710:1988 電球類ガラス管球の形式の表し方. [2017-03-21] （日语）.
- ENERGY STAR Eligibility Criteria Version 2.0, Rev. Oct-2016 (PDF). [2017-03-21] （英语）.
Lamp shall comply with ANSI minimum overall length (min OAL), maximum overall length (MOL) and maximum lamp diameter values, where they exist
- Light fixtures and light bulb sizes [灯具及灯泡尺寸]. www.tuxgraphics.org. [2017-02-28] （英语）.
- 网友发帖:不能把灯泡放进嘴里 试者"中招". 新华网. 钱江晚报. 2010-03-17 [2017-03-14].
- 滿足你的好奇心《燈泡棒棒糖》把糖果放進嘴巴就沒問題了吧～. 宅宅新闻 （中文（台灣））.