Dyfyniad APA

HOFFMAN, N. S. (1977). A New World of Health. McGraw-Hill Book Company.

Dyfyniad Arddull Chicago

HOFFMAN, Norman S. A New World of Health. McGraw-Hill Book Company, 1977.

Dyfyniad MLA

HOFFMAN, Norman S. A New World of Health. McGraw-Hill Book Company, 1977.

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