Dyfyniad APA

Hein, L. E. (1966). Enjoying the outdoors with children. Association Press.

Dyfyniad Arddull Chicago

Hein, Lucille E. Enjoying the Outdoors with Children. New York: Association Press, 1966.

Dyfyniad MLA

Hein, Lucille E. Enjoying the Outdoors with Children. Association Press, 1966.

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