Gaya APA
Riyanto, S. (2015).
The 1st Students Choice Toefl (Test Of English As A Foreign Language) .
Yogyakarta:
Pustaka Pelajar.
Gaya MLA
Riyanto, Slamet.
"The 1st Students Choice Toefl (Test Of English As A Foreign Language)".
Yogyakarta:
Pustaka Pelajar,
2015.
Book.