Brinkerhoff, D. B., Ortega, S. T., & Weitz, R. Essentials of sociology (Ninth edition.).

Brinkerhoff, David B.,, Suzanne Trager Ortega, و Rose Weitz. Essentials of Sociology. Ninth edition.

Brinkerhoff, David B.,, Suzanne Trager Ortega, و Rose Weitz. Essentials of Sociology. Ninth edition.