Gaya APA
riyanto, S.
(2011).
12 tenses to master in a day : with examples
(
Cet 1)
.
Yogyakarta:
Pustaka pelajar.
Gaya MLA
riyanto, Slamet.
"12 tenses to master in a day : with examples".
Cet 1
Yogyakarta:
Pustaka pelajar,
2011.
Text.