APA Style
Riyanto, Slamet. (2009).
Developing Vocabulary Skills .
Yogyakarta:
Pustaka Belajar.
Chicago Style
Riyanto, Slamet.
Developing Vocabulary Skills.
Yogyakarta:
Pustaka Belajar,
2009.
Text.
MLA Style
Riyanto, Slamet.
Developing Vocabulary Skills.
Yogyakarta:
Pustaka Belajar,
2009.
Text.
Turabian Style
Riyanto, Slamet.
Developing Vocabulary Skills.
Yogyakarta:
Pustaka Belajar,
2009.
Print.