Gaya APA
Slamet, R. (2007).
The 1 st Student's Choice TOEFL - Test Strategy for Listening Comprehension .
Yogyakarta:
Pustaka Pelajar.
Gaya MLA
Slamet, Riyanto.
"The 1 st Student's Choice TOEFL - Test Strategy for Listening Comprehension".
Yogyakarta:
Pustaka Pelajar,
2007.
Text.