BABBIE, E. (2021). The practice of social research (15th ed.). Cengage Learning, Inc.
芝加哥风格引文BABBIE, E. The Practice of Social Research. 15th ed. Austraia: Cengage Learning, Inc, 2021.
MLA引文BABBIE, E. The Practice of Social Research. 15th ed. Cengage Learning, Inc, 2021.
警告：这些引文格式不一定是100％准确.