Gaya APA
Riyanto, Slamet. (2010).
Developing Vocabulary Skills .
Yogyakarta:
Pustaka Pelajar.
Gaya Chicago
Riyanto, Slamet.
Developing Vocabulary Skills.
Yogyakarta:
Pustaka Pelajar,
2010.
Media Cetak.
Gaya MLA
Riyanto, Slamet.
Developing Vocabulary Skills.
Yogyakarta:
Pustaka Pelajar,
2010.
Media Cetak.
Gaya Turabian
Riyanto, Slamet.
Developing Vocabulary Skills.
Yogyakarta:
Pustaka Pelajar,
2010.
Media Cetak.