APA aipamena

Tapinos,Georges, & Piotrow,Phyllis T. (1975). Six billion people: Demographic dilemmas and world politics. McGraw Hill.

Chicago Style aipamena

Tapinos,Georges, and Piotrow,Phyllis T. Six Billion People: Demographic Dilemmas and World Politics. New York: McGraw Hill, 1975.

MLA aipamena

Tapinos,Georges, and Piotrow,Phyllis T. Six Billion People: Demographic Dilemmas and World Politics. McGraw Hill, 1975.