Gaya APA
Riyanto, S. (2007).
The 1st student's choice TOEFL : test strategy for structure and writen expression .
:
Pustaka Pelajar.
Gaya MLA
Riyanto, Slamet.
"The 1st student's choice TOEFL : test strategy for structure and writen expression".
:
Pustaka Pelajar,
2007.
Text.