APA Style
Riyanto, Slamet. (2010).
Developing Vocabulary Skill .
Yogyakarta:
Pustaka Pelajar.
Chicago Style
Riyanto, Slamet.
Developing Vocabulary Skill.
Yogyakarta:
Pustaka Pelajar,
2010.
Text.
MLA Style
Riyanto, Slamet.
Developing Vocabulary Skill.
Yogyakarta:
Pustaka Pelajar,
2010.
Text.
Turabian Style
Riyanto, Slamet.
Developing Vocabulary Skill.
Yogyakarta:
Pustaka Pelajar,
2010.
Print.