Gaya APA
Riyanto, S.
(2014).
The 1st Student's Choice Changing Times Changing Tenses
.
Yogyakarta:
Yogyakarta: ANDI.
Gaya MLA
Riyanto, Slamet.
"The 1st Student's Choice Changing Times Changing Tenses".
Yogyakarta:
Yogyakarta: ANDI,
2014.
Text.