Crook, N. (1997). Principles of population and development: With illustrations from Asia and Africa. The University.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCrook, Nigel. Principles of Population and Development: With Illustrations from Asia and Africa. The University, 1997.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCrook, Nigel. Principles of Population and Development: With Illustrations from Asia and Africa. The University, 1997.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.