Citace podle APA (7th ed.)

Bjork, W. B., & Schraer, W. D. (1987). Biology: The study of life (2nd ed., Teacher's ed.). CEBCO : Allyn and Bacon.

Citace podle Chicago (17th ed.)

Bjork, Warren B., a William D. Schraer. Biology: The Study of Life. 2nd ed., Teacher's ed. Newton, Mass.: CEBCO : Allyn and Bacon, 1987.

Citace podle MLA (8th ed.)

Bjork, Warren B., a William D. Schraer. Biology: The Study of Life. 2nd ed., Teacher's ed. CEBCO : Allyn and Bacon, 1987.

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