Citazione Stile APA (7a Edizione)

Weeks, J. R. (2005). Population: An introduction to concepts and issues (9th ed.). Wadsworth/Thomson Learning.

Citazione stile Chigago Style (17a edizione)

Weeks, John R. Population: An Introduction to Concepts and Issues. 9th ed. Belmont, CA: Wadsworth/Thomson Learning, 2005.

Citatione MLA (9a ed.)

Weeks, John R. Population: An Introduction to Concepts and Issues. 9th ed. Wadsworth/Thomson Learning, 2005.