Gaya APA
Ikom, D, C, S, P, A, R, S, R, A, S. (2016).
Basic Speaking Of English .
Jakarta:
Grasindo.
Gaya MLA
Ikom, Diana, Christianti,, S., Pd,, Astrid, Robertha,, S.S,, Ruth, Anasthasia,, S..
"Basic Speaking Of English".
Jakarta:
Grasindo,
2016.
Text.