Cita APA (7a ed.)
Rubin, A., & Babbie, E. (1997). Research methods for social work (3rd ed.). Brooks/Cole.
Cita Chicago Style (17a ed.)
Rubin, Allen, y Earl Babbie. Research Methods for Social Work. 3rd ed. Pacific Grove: Brooks/Cole, 1997.
Cita MLA (9a ed.)
Rubin, Allen, y Earl Babbie. Research Methods for Social Work. 3rd ed. Brooks/Cole, 1997.
Precaución: Estas citas no son 100% exactas.