APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.