Gaya APA
Education Journal. (2012).
:
Ekonisia.
Gaya Chicago
Education Journal.
Volume 1(1) 2012.
:
Ekonisia,
2012.
Jurnal Internasional.
Gaya MLA
Education Journal.
Volume 1(1) 2012.
:
Ekonisia,
2012.
Jurnal Internasional.
Gaya Turabian
Education Journal.
:
Ekonisia,
2012.
Jurnal Internasional.