APA ציטוט

Tapinos, G., & Piotrow, P. T. (1978). Six Billion People: Demographic dilemmas and world politics. McGraw-Hill.

Chicago Edition Citation

Tapinos, Georges, and Phyllis Tilson Piotrow. Six Billion People: Demographic Dilemmas and World Politics. New York: McGraw-Hill, 1978.

ציטוט MLA

Tapinos, Georges, and Phyllis Tilson Piotrow. Six Billion People: Demographic Dilemmas and World Politics. McGraw-Hill, 1978.