Gaya APA
Education Journal. (2014).
:
Ekonisia.
Gaya Chicago
Education Journal.
Volume 3(1) 2014.
:
Ekonisia,
2014.
Jurnal Internasional.
Gaya MLA
Education Journal.
Volume 3(1) 2014.
:
Ekonisia,
2014.
Jurnal Internasional.
Gaya Turabian
Education Journal.
:
Ekonisia,
2014.
Jurnal Internasional.