Gaya APA
Riyanto,Slamed. (2011).
The Textbook of English Grammar .
Yogyakarta:
Pustaka Widyatama.
Gaya Chicago
Riyanto,Slamed.
The Textbook of English Grammar.
Yogyakarta:
Pustaka Widyatama,
2011.
Non-fiction.
Gaya MLA
Riyanto,Slamed.
The Textbook of English Grammar.
Yogyakarta:
Pustaka Widyatama,
2011.
Non-fiction.
Gaya Turabian
Riyanto,Slamed.
The Textbook of English Grammar.
Yogyakarta:
Pustaka Widyatama,
2011.
Non-fiction.