Aitken, P. (1999). Sam`s teach yourself internet programming with visual basic 6 in 21 days. Techmedia.
芝加哥风格引文Aitken, Peter. Sam`s Teach Yourself Internet Programming with Visual Basic 6 in 21 Days. New Delhi: Techmedia, 1999.
MLA引文Aitken, Peter. Sam`s Teach Yourself Internet Programming with Visual Basic 6 in 21 Days. Techmedia, 1999.
警告：这些引文格式不一定是100％准确.