APA ציטוט

Marsland, D. (1964). Principles of modern biology (4th ed.). Holt.

Chicago Edition Citation

Marsland, Douglas. Principles of Modern Biology. 4th ed. New York: Holt, 1964.

ציטוט MLA

Marsland, Douglas. Principles of Modern Biology. 4th ed. Holt, 1964.