Gaya APA
case, K, A, N, T, G, R, C, W.
(201 6).
guru profesional
.
jakarta:
PT Indeks.
Gaya MLA
case, Kay, A., Norlander-case,, Timothy, G., Reagan,, Charles, W..
"guru profesional".
jakarta:
PT Indeks,
201 6.
Text.