Gaya APA
Purnama, P. (2013).
10 days mastering 16 tenses : plus : passive voice, regular and irregular verb .
:
Bhuana Ilmu Populer.
Gaya MLA
Purnama, Puji.
"10 days mastering 16 tenses : plus : passive voice, regular and irregular verb".
:
Bhuana Ilmu Populer,
2013.
Text.