Cita APA (7a ed.)

Earl R. Babbie. (2020). The Practice of Social Research, 15th Edition (15th edition.). Cengage Learning.

Cita Chicago Style (17a ed.)

Earl R. Babbie. The Practice of Social Research, 15th Edition. 15th edition. United States of America: Cengage Learning, 2020.

Cita MLA (8a ed.)

Earl R. Babbie. The Practice of Social Research, 15th Edition. 15th edition. Cengage Learning, 2020.