Dyfyniad APA

Sowers, J. I. (1925). The boy and his vocation. The Manual arts press.

Dyfyniad Arddull Chicago

Sowers, John Irving. The Boy and His Vocation. Peoria, Ill.: The Manual arts press, 1925.

Dyfyniad MLA

Sowers, John Irving. The Boy and His Vocation. The Manual arts press, 1925.

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