Gaya APA

Sherwen, L, N. et al (1999). Maternity nursing: care of the childbearing family ed.3 (Ed. 3). United States of America: Appleton & Lange.

Gaya MLA

Sherwen, Laurie, N.. et al. "Maternity nursing: care of the childbearing family ed.3". Ed. 3 United States of America: Appleton & Lange, 1999. Text.