APA Zitierstil

Babbie, E. R. (2002). The basics of social research (2nd ed.). Belmont, CA: Wadsworth Thomson Learning.

Chicago Zitierstil

Babbie, Earl R. The Basics of Social Research. 2nd ed. Belmont, CA: Wadsworth Thomson Learning, 2002.

MLA Zitierstil

Babbie, Earl R. The Basics of Social Research. 2nd ed. Belmont, CA: Wadsworth Thomson Learning, 2002.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.