Cita APA

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

Chicago Edition Citation

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

Cita MLA

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