Gaya APA
Garini, S, A., R., N, A. (2018).
Nice Talk! : Easy English Conversation (Cet.2).
Yogyakarta:
Pustaka Widyatama.
Gaya MLA
Garini, Sophia, Ardya., R., Nina, Artanti.
"Nice Talk! : Easy English Conversation".
Cet.2
Yogyakarta:
Pustaka Widyatama,
2018.
Textbook.