Gaya APA
Slamet, R. (2008).
2500 Key Word to Be Good At English With Useful Examples .
Yogyakarta ; Indonesia:
Pustaka Pelajar.
Gaya MLA
Slamet, Riyanto..
"2500 Key Word to Be Good At English With Useful Examples".
Yogyakarta ; Indonesia:
Pustaka Pelajar,
2008.
Textbook.