Gaya APA
Cunningham, Gary. (2001).
Williams Obstetrics 21st edition volume 1 (foto kopi) (21).
Sydney:
mc graw hill.
Gaya Chicago
Cunningham, Gary.
Williams Obstetrics 21st edition volume 1 (foto kopi).
21
Sydney:
mc graw hill,
2001.
Text.
Gaya MLA
Cunningham, Gary.
Williams Obstetrics 21st edition volume 1 (foto kopi).
21
Sydney:
mc graw hill,
2001.
Text.
Gaya Turabian
Cunningham, Gary.
Williams Obstetrics 21st edition volume 1 (foto kopi).
21
Sydney:
mc graw hill,
2001.
Print.