Gaya APA
Hasan, R.
(2011).
Naskah Lengkap 6th Trend In Cardiovascular Management
.
Medan:
USU Press.
Gaya MLA
Hasan, Refli.
"Naskah Lengkap 6th Trend In Cardiovascular Management".
Medan:
USU Press,
2011.
Text.