Gaya APA
Nasution, S.. (2003).
Metode research penelitian ilmiah .
Bandung:
Bumi Aksara.
Gaya Chicago
Nasution, S..
Metode research penelitian ilmiah.
Bandung:
Bumi Aksara,
2003.
.
Gaya MLA
Nasution, S..
Metode research penelitian ilmiah.
Bandung:
Bumi Aksara,
2003.
.
Gaya Turabian
Nasution, S..
Metode research penelitian ilmiah.
Bandung:
Bumi Aksara,
2003.
.