Cita APA

Babbie, E. 1. (2011). The basics of social research (5. edition.). Australia: Wadsworth Cengage Learning.

Citación estilo Chicago

Babbie, Earl 1938-. The Basics of Social Research. 5. edition. Australia: Wadsworth Cengage Learning, 2011.

Cita MLA

Babbie, Earl 1938-. The Basics of Social Research. 5. edition. Australia: Wadsworth Cengage Learning, 2011.