Gaya APA
Nasution,s. (2012).
Metode Research (penelitian ilmiah) .
:
Bumi Akasara.
Gaya Chicago
Nasution,s.
Metode Research (penelitian ilmiah).
:
Bumi Akasara,
2012.
Non-fiction.
Gaya MLA
Nasution,s.
Metode Research (penelitian ilmiah).
:
Bumi Akasara,
2012.
Non-fiction.
Gaya Turabian
Nasution,s.
Metode Research (penelitian ilmiah).
:
Bumi Akasara,
2012.
Non-fiction.