Gaya APA
Hoffman, dkk. (2012).
Williams Gynecology (Edisi 2).
United States:
McGraw-Hill.
Gaya Chicago
Hoffman, dkk.
Williams Gynecology.
Edisi 2
United States:
McGraw-Hill,
2012.
BUKU.
Gaya MLA
Hoffman, dkk.
Williams Gynecology.
Edisi 2
United States:
McGraw-Hill,
2012.
BUKU.
Gaya Turabian
Hoffman, dkk.
Williams Gynecology.
Edisi 2
United States:
McGraw-Hill,
2012.
BUKU.