Gaya APA
O., B.
(2012).
Braunwalds Heart Disease vol 1
(
9th.ed.)
.
Philadelphia:
Elsevier Saunders.
Gaya MLA
O., Bonow,Robert.
"Braunwalds Heart Disease vol 1".
9th.ed.
Philadelphia:
Elsevier Saunders,
2012.
Text.