APA引文

Weeks,John Robert. (1996). Population: An introduction to concepts and issues (6.). Wadsworth.

Chicago Edition Citation

Weeks,John Robert. Population: An Introduction to Concepts and Issues. 6. Belmont: Wadsworth, 1996.

MLA引文

Weeks,John Robert. Population: An Introduction to Concepts and Issues. 6. Wadsworth, 1996.

警告：這些引文格式不一定是100％准確.