Tohutoro APA (7th ed.)
Collins, S. D. (1960). Selwyn D(e Witt) Collins' contributions to health statistics: A guide to his works. U.S.Government Print.Off.
Tohutoru Kātū Chicago (17th ed.)
Collins, Selwyn D. Selwyn D(e Witt) Collins' Contributions to Health Statistics: A Guide to His Works. Washington: U.S.Government Print.Off, 1960.
Tohutoro MLA (9th ed.)
Collins, Selwyn D. Selwyn D(e Witt) Collins' Contributions to Health Statistics: A Guide to His Works. U.S.Government Print.Off, 1960.
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