Gaya APA
Fitrini, E., Sumiratingratri, R.
(2017).
English is Cool
.
Jakarta:
Cahaya Pustaka Raga.
Gaya MLA
Fitrini, Erna., Sumiratingratri, Ratih.
"English is Cool".
Jakarta:
Cahaya Pustaka Raga,
2017.
Text.