Gaya APA

Lawrence, R, A., Lawrence, R, M. (2011). Breastfeeding : A Guide For The Medical Profession (Ed. 7). St. Louis, Missouri: Elsevier Mosby.

Gaya MLA

Lawrence, Ruth, A.., Lawrence, Robert, M.. "Breastfeeding : A Guide For The Medical Profession". Ed. 7 St. Louis, Missouri: Elsevier Mosby, 2011. Text.