Williams obstetrics
F. Gary Cunningham, Norman F. Gant, Kenneth J. Leveno, Larry C. Gilstrap III, John C. Hauth, Katharine D. Wenstrom, editor
McGraw-Hill, 2001
 Buku Referensi
Williams obstetrics : Study guide
Shivani Patel, Scott Roberts, Vanessa Rogers, Ashley Zink, Elaine Duryea, Jamie Morgan, editor
McGraw-Hill Medical, 2019
 Buku Teks
Williams obstetrics / edited by, F. Gary Cunningham, Kenneth J. Leveno, Steven L. Bloom, Catherine Y. Spong, Jodi S. Dashe, Barbara L. Hoffman, Brian M. Casey, Jeanne S. Sheffield. Also Titled
McGraw-Hill Education, 2014
 Buku Teks
Llewellyn-Jones, Derek
Fundamentals of Obstetrics and Gynaecology: obstetrics
The English Language Book Society , 1982
 Buku Teks
Basic gynecology and obstetrics
edited by Norman F. Gant
Prentice-Hall, 1993
 Buku Teks