Gaya APA
Riyanto, S. (2008).
The first students choice toefl : test strategy for sustening comprehension (cet.2).
Yogyakarta:
Pustaka Pelejar.
Gaya MLA
Riyanto, Slamet.
"The first students choice toefl : test strategy for sustening comprehension".
cet.2
Yogyakarta:
Pustaka Pelejar,
2008.
Text.