Gaya APA
Purnama, P. (2013).
10 Day Mastering 16 Tenses Plus Passive Voice Regular And And Irregular Verb .
Jakarta:
pt.bhuana ilmu pouler.
Gaya MLA
Purnama, Puji.
"10 Day Mastering 16 Tenses Plus Passive Voice Regular And And Irregular Verb".
Jakarta:
pt.bhuana ilmu pouler,
2013.
Text.