Lua APA (7ú heag.)

Smith, E. T. (1954). Exploring biology (4th ed.). Harcourt, Brace.

Lua i Stíl Chicago (17ú heag.)

Smith, Ella Thea. Exploring Biology. 4th ed. New York: Harcourt, Brace, 1954.

Lua MLA (8ú heag.)

Smith, Ella Thea. Exploring Biology. 4th ed. Harcourt, Brace, 1954.

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