WEEKS, J. R. (1986). Population: An introduction to concepts and issues.--Ed.3. Wadsworth Pub Co.
芝加哥风格引文WEEKS, John R. Population: An Introduction to Concepts and Issues.--Ed.3. Belmont: Wadsworth Pub Co, 1986.
MLA引文WEEKS, John R. Population: An Introduction to Concepts and Issues.--Ed.3. Wadsworth Pub Co, 1986.
警告：这些引文格式不一定是100％准确.