Gaya APA
Bookmiller, M, M., Bowen, G, L. (1963).
Textbook of obstetrics and obstetric nursing (4th. Ed).
Philadelphia:
W. B. Saunders Company.
Gaya MLA
Bookmiller, Mae, M., Bowen, George, L..
"Textbook of obstetrics and obstetric nursing".
4th. Ed
Philadelphia:
W. B. Saunders Company,
1963.
Text.