Dyfyniad APA

WASHTON, N. S. (1974). Teaching science in elementary and middle schools. David McKay Company.

Dyfyniad Arddull Chicago

WASHTON, Nathan S. Teaching Science in Elementary and Middle Schools. New York: David McKay Company, 1974.

Dyfyniad MLA

WASHTON, Nathan S. Teaching Science in Elementary and Middle Schools. David McKay Company, 1974.

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