APA引文

Babbie, E. R. (2001). The practice of social research (9th ed.). Wadsworth Thomson Learning.

Chicago Style (17th ed.) Citation

Babbie, Earl R. The Practice of Social Research. 9th ed. Belmont, CA: Wadsworth Thomson Learning, 2001.

MLA引文

Babbie, Earl R. The Practice of Social Research. 9th ed. Wadsworth Thomson Learning, 2001.