Babbie, E. (2001). The practice of social research (9th ed.). Wadsworth.
芝加哥风格引文Babbie, Earl. The Practice of Social Research. 9th ed. Australia: Wadsworth, 2001.
MLA引文Babbie, Earl. The Practice of Social Research. 9th ed. Wadsworth, 2001.
警告：这些引文格式不一定是100％准确.