Cita APA (7a ed.)

Babbie, E. R. (2004). The practice of social research (10th ed.). Thomson/Wadsworth.

Cita Chicago Style (17a ed.)

Babbie, Earl R. The Practice of Social Research. 10th ed. Belmont, CA: Thomson/Wadsworth, 2004.

Cita MLA (9a ed.)

Babbie, Earl R. The Practice of Social Research. 10th ed. Thomson/Wadsworth, 2004.