Cita APA

Babbie, E. R. (1979). The Practice of Social Research. Belmont, California, CA US: Wadsworth Publishing Company, Inc.

Citación estilo Chicago

Babbie, Earl R. The Practice of Social Research. Belmont, California, CA US: Wadsworth Publishing Company, Inc, 1979.

Cita MLA

Babbie, Earl R. The Practice of Social Research. Belmont, California, CA US: Wadsworth Publishing Company, Inc, 1979.