APA (7 वां संस्करण) प्रशस्ति पत्र

WEEKS, J. R. (1986). Population: An introduction to concepts and issues.--Ed.3. Wadsworth Pub Co.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

WEEKS, John R. Population: An Introduction to Concepts and Issues.--Ed.3. Belmont: Wadsworth Pub Co, 1986.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

WEEKS, John R. Population: An Introduction to Concepts and Issues.--Ed.3. Wadsworth Pub Co, 1986.