Hakim, C. (2000). Research design: Successful designs for social and economic research (2nd ed.). Routledge.
शिकागो स्टाइल उद्धरणHakim, Catherine. Research Design: Successful Designs for Social and Economic Research. 2nd ed. London: Routledge, 2000.
एमएलए उद्धरणHakim, Catherine. Research Design: Successful Designs for Social and Economic Research. 2nd ed. Routledge, 2000.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.