APA Style
Prichard, J, A., al.], P, C, M, D. (1991).
Obstetri Williams (17).
Surabaya:
Airlangga University Press.
MLA Style
Prichard, Jack, A.., al.], Paul, C., Mac, Donald...[et.
"Obstetri Williams".
17
Surabaya:
Airlangga University Press,
1991.
Kedokteran.