Gaya APA
Beatrix, S., Azzaini, J.
(2015).
Speak to change
(
1)
.
Jakarta:
PT GRAMEDIA PUSTAKA UTAMA.
Gaya MLA
Beatrix, Sofie., Azzaini, Jamil.
"Speak to change".
1
Jakarta:
PT GRAMEDIA PUSTAKA UTAMA,
2015.
Text.