Gaya APA
Riyanto, S. (2016).
TOEIC Preparation Test of English for International Communication .
Yogyakarta:
Pearson Education Limited.
Gaya MLA
Riyanto, Slamet.
"TOEIC Preparation Test of English for International Communication".
Yogyakarta:
Pearson Education Limited,
2016.
Teks (Text).