Ali, A. (2004). Reference service and the digital sources of information. Ess Ess Publications.
芝加哥风格引文Ali, Amjad. Reference Service and the Digital Sources of Information. New Delhi: Ess Ess Publications, 2004.
MLA引文Ali, Amjad. Reference Service and the Digital Sources of Information. Ess Ess Publications, 2004.
警告：这些引文格式不一定是100％准确.