Tohutoro APA (7th ed.)
Vinal, W. G. (1926). Nature Guiding. Comstock.
Tohutoru Kātū Chicago (17th ed.)
Vinal, William Gould. Nature Guiding. Ithaca, N.Y.: Comstock, 1926.
Tohutoro MLA (9th ed.)
Vinal, William Gould. Nature Guiding. Comstock, 1926.
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