APA Style

PRITCHARD, Jack A, Paul C. MacDonald, Norman F. Gant, Jack A Pritchard. (1991). Obstetri Williams (Ed. 17). Surabaya: Airlangga University Press.

Chicago Style

PRITCHARD, Jack A, Paul C. MacDonald, Norman F. Gant, Jack A Pritchard. Obstetri Williams. Ed. 17 Surabaya: Airlangga University Press, 1991. .

MLA Style

PRITCHARD, Jack A, Paul C. MacDonald, Norman F. Gant, Jack A Pritchard. Obstetri Williams. Ed. 17 Surabaya: Airlangga University Press, 1991. .

Turabian Style

PRITCHARD, Jack A, Paul C. MacDonald, Norman F. Gant, Jack A Pritchard. Obstetri Williams. Ed. 17 Surabaya: Airlangga University Press, 1991. .