Gaya APA
OKA, G, P, A., TTASTRA, I, D, K.
(2015).
Massive open online course:
.
Yogyakarta:
TEKNOSAIN.
Gaya MLA
OKA, Gde, Putu, Arya., TTASTRA, I, Dewa, Kade.
"Massive open online course:".
Yogyakarta:
TEKNOSAIN,
2015.
Buku.