APA aipamena

(1962). Prenatal care. U.S. Department of Health Education, and Welfare.

Chicago Style aipamena

Prenatal Care. Washington, D.C: U.S. Department of Health Education, and Welfare, 1962.

MLA aipamena

Prenatal Care. U.S. Department of Health Education, and Welfare, 1962.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.