एपीए उद्धरण

McDonald, A. D. (1961). Maternal Health in Early Pregnancy and Congenital Defect: Final Report on a Prospective Inquiry.

शिकागो स्टाइल उद्धरण

McDonald, Alison D. Maternal Health in Early Pregnancy and Congenital Defect: Final Report On a Prospective Inquiry. 1961.

एमएलए उद्धरण

McDonald, Alison D. Maternal Health in Early Pregnancy and Congenital Defect: Final Report On a Prospective Inquiry. 1961.