Gaya APA
Riyanto, Slamet. (2011).
The Textbook of English Grammar .
Jakarta:
Pustaka Widyatama.
Gaya Chicago
Riyanto, Slamet.
The Textbook of English Grammar.
Jakarta:
Pustaka Widyatama,
2011.
Text.
Gaya MLA
Riyanto, Slamet.
The Textbook of English Grammar.
Jakarta:
Pustaka Widyatama,
2011.
Text.
Gaya Turabian
Riyanto, Slamet.
The Textbook of English Grammar.
Jakarta:
Pustaka Widyatama,
2011.
Print.