Gaya APA
Riyanto, S. (2015).
The 1 Student's Choice Toefl :Test Strategy for Listening Comprehension (Cetakan IV).
Yogyakarta:
Pustaka Pelajar.
Gaya MLA
Riyanto, Slamet.
"The 1 Student's Choice Toefl :Test Strategy for Listening Comprehension".
Cetakan IV
Yogyakarta:
Pustaka Pelajar,
2015.
Book.