Weeks, J. R. (2008). Population: An introduction to concepts and issues (10th ed.). Thomson/Wadsworth.
Chicago Style (17. basım) AtıfWeeks, John Robert. Population: An Introduction to Concepts and Issues. 10th ed. Belmont, CA: Thomson/Wadsworth, 2008.
MLA (9th ed.) AtıfWeeks, John Robert. Population: An Introduction to Concepts and Issues. 10th ed. Thomson/Wadsworth, 2008.
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