Gaya APA
Education Journal. (2013).
:
Ekonisia.
Gaya Chicago
Education Journal.
Volume (1) 2013.
:
Ekonisia,
2013.
Jurnal Internasional.
Gaya MLA
Education Journal.
Volume (1) 2013.
:
Ekonisia,
2013.
Jurnal Internasional.
Gaya Turabian
Education Journal.
:
Ekonisia,
2013.
Jurnal Internasional.