Gaya APA
Horsager, Robyn, Roberts, Scott. (2011).
Williams obstetrics study guide (23rd ed.).
New York:
New York : |b McGraw-Hill Education.
Gaya Chicago
Horsager, Robyn, Roberts, Scott.
Williams obstetrics study guide.
23rd ed.
New York:
New York : |b McGraw-Hill Education,
2011.
Text.
Gaya MLA
Horsager, Robyn, Roberts, Scott.
Williams obstetrics study guide.
23rd ed.
New York:
New York : |b McGraw-Hill Education,
2011.
Text.
Gaya Turabian
Horsager, Robyn, Roberts, Scott.
Williams obstetrics study guide.
23rd ed.
New York:
New York : |b McGraw-Hill Education,
2011.
Print.