Gaya APA
Lon, R. (2006).
The book that teaches you how to teach yourself english grammar and how to use it (Cet. 1).
Jakarta:
English Plus Series.
Gaya MLA
Lon, Robby.
"The book that teaches you how to teach yourself english grammar and how to use it".
Cet. 1
Jakarta:
English Plus Series,
2006.
Text.