Gaya APA
Riyanto, S. et al (2016).
TOEIC: Test Of English For International Communication Preparation .
Yogyakarta:
Andi .
Gaya MLA
Riyanto, Slamet. et al.
"TOEIC: Test Of English For International Communication Preparation".
Yogyakarta:
Andi ,
2016.
Text.