Gaya APA
journal of engineering and technological science. (2013).
:
.
Gaya Chicago
journal of engineering and technological science.
nomor 2, July.
:
,
2013.
Jurnal.
Gaya MLA
journal of engineering and technological science.
nomor 2, July.
:
,
2013.
Jurnal.
Gaya Turabian
journal of engineering and technological science.
:
,
2013.
Jurnal.