Lua APA (7ú heag.)

Stwertka, E., & Stwertka, A. (1981). Population: Growth, change, and impact. F. Watts.

Lua i Stíl Chicago (17ú heag.)

Stwertka, Eve, agus Albert Stwertka. Population: Growth, Change, and Impact. New York: F. Watts, 1981.

Lua MLA (9ú heag.)

Stwertka, Eve, agus Albert Stwertka. Population: Growth, Change, and Impact. F. Watts, 1981.

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