Παραπομπή APA

Craig, G. S. (1940). Science for the elementary school teacher. Boston: Ginn and Company.

Παραπομπή Chicago Style

Craig, Gerald S. Science for the Elementary School Teacher. Boston: Ginn and Company, 1940.

Παραπομπή MLA

Craig, Gerald S. Science for the Elementary School Teacher. Boston: Ginn and Company, 1940.

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