Gaya APA
Riyanto, Slamet. (2010).
Developing Vocabulary Skills, Book 1 (Cet.1).
Yogyakarta:
Pustaka Pelajar.
Gaya Chicago
Riyanto, Slamet.
Developing Vocabulary Skills, Book 1.
Cet.1
Yogyakarta:
Pustaka Pelajar,
2010.
Buku.
Gaya MLA
Riyanto, Slamet.
Developing Vocabulary Skills, Book 1.
Cet.1
Yogyakarta:
Pustaka Pelajar,
2010.
Buku.
Gaya Turabian
Riyanto, Slamet.
Developing Vocabulary Skills, Book 1.
Cet.1
Yogyakarta:
Pustaka Pelajar,
2010.
Buku.