Tohutoro APA (7th ed.)
Ray, S. F. (1976). The lens in action. Hastings house.
Tohutoru Kātū Chicago (17th ed.)
Ray, Sidney F. The Lens in Action. New York: Hastings house, 1976.
Tohutoro MLA (9th ed.)
Ray, Sidney F. The Lens in Action. Hastings house, 1976.
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