Gaya APA
Education Journal. (2015).
:
Ekonisia.
Gaya Chicago
Education Journal.
Volume 4(1) 2015.
:
Ekonisia,
2015.
Jurnal Internasional.
Gaya MLA
Education Journal.
Volume 4(1) 2015.
:
Ekonisia,
2015.
Jurnal Internasional.
Gaya Turabian
Education Journal.
:
Ekonisia,
2015.
Jurnal Internasional.