Gaya APA

ENKIN, M, W. et al (1999). A GUIDE TO EFFECTIVE CARE IN PREGNANCY AND CHILDBIRTH, 2nd. EDITION (2). NEW YORK: OXFORD UNIVERSITY PRESS.

Gaya MLA

ENKIN, MURRAY, W.. et al. "A GUIDE TO EFFECTIVE CARE IN PREGNANCY AND CHILDBIRTH, 2nd. EDITION". 2 NEW YORK: OXFORD UNIVERSITY PRESS, 1999. Prodi D3 Kebidanan.