APA-Zitierstil (7. Ausg.)

Babbie, E. R. (2013). The practice of social research (13th ed.). Wadsworth Cengage Learning.

Chicago-Zitierstil (17. Ausg.)

Babbie, Earl R. The Practice of Social Research. 13th ed. Belmont, Calif.: Wadsworth Cengage Learning, 2013.

MLA-Zitierstil (9. Ausg.)

Babbie, Earl R. The Practice of Social Research. 13th ed. Wadsworth Cengage Learning, 2013.