Gaya APA
ISMANTHONO, H, W. (2015).
TOEIC PREPARATION GUIDE: Commonly Used for Career Development .
Jakarta:
PT GRASINDO.
Gaya MLA
ISMANTHONO, HENRICUS, W..
"TOEIC PREPARATION GUIDE: Commonly Used for Career Development".
Jakarta:
PT GRASINDO,
2015.
Text.