APA Style
Nasution, Arman Hakim, Suyantoro, Sigit. ().
.
:
.
Chicago Style
Nasution, Arman Hakim, Suyantoro, Sigit.
.
:
,
.
.
MLA Style
Nasution, Arman Hakim, Suyantoro, Sigit.
.
:
,
.
.
Turabian Style
Nasution, Arman Hakim, Suyantoro, Sigit.
.
:
,
.
.