Citace podle APA (7th ed.)

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

Citace podle Chicago (17th ed.)

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

Citace podle MLA (8th ed.)

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

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