Cita APA
Wagenaar, T. C., & Babbie, E. (1989). Practicing social research (5th ed.). Wadsworth.
Citación estilo Chicago
Wagenaar, Theodore C., and Earl Babbie. Practicing Social Research. 5th ed. California: Wadsworth, 1989.
Cita MLA
Wagenaar, Theodore C., and Earl Babbie. Practicing Social Research. 5th ed. Wadsworth, 1989.
Warning: These citations may not always be 100% accurate.