Gaya APA
Gary, cuningham. (1997).
WILLIAMS OBSTETRICS 2 : 21 ST EDITION .
Amerika:
MCgraw hill companies.
Gaya Chicago
Gary, cuningham.
WILLIAMS OBSTETRICS 2 : 21 ST EDITION.
Amerika:
MCgraw hill companies,
1997.
Text.
Gaya MLA
Gary, cuningham.
WILLIAMS OBSTETRICS 2 : 21 ST EDITION.
Amerika:
MCgraw hill companies,
1997.
Text.
Gaya Turabian
Gary, cuningham.
WILLIAMS OBSTETRICS 2 : 21 ST EDITION.
Amerika:
MCgraw hill companies,
1997.
Print.