Cita APA (7th ed.)
Yegidis, B. L., & Weinbach, R. W. (1991). Research methods for social workers. Longman.
Cita Chicago (17th ed.)
Yegidis, Bonnie L., i Robert W. Weinbach. Research Methods for Social Workers. New York: Longman, 1991.
Cita MLA (9th ed.)
Yegidis, Bonnie L., i Robert W. Weinbach. Research Methods for Social Workers. Longman, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.