Cita APA (7a ed.)

Hakim, C. (2000). Research design: Successful designs for social and economic research (2nd edition.). Routledge.

Cita Chicago Style (17a ed.)

Hakim, Catherine. Research Design: Successful Designs for Social and Economic Research. 2nd edition. London, England: Routledge, 2000.

Cita MLA (9a ed.)

Hakim, Catherine. Research Design: Successful Designs for Social and Economic Research. 2nd edition. Routledge, 2000.