APA Style

Riyanto, Slamet. (2010). Developing Vocabulary Skills, Book 1 . Yogyakarta: Pustaka Pelajar, Yogyakarta.

Chicago Style

Riyanto, Slamet. Developing Vocabulary Skills, Book 1. Yogyakarta: Pustaka Pelajar, Yogyakarta, 2010. Buku Teks.

MLA Style

Riyanto, Slamet. Developing Vocabulary Skills, Book 1. Yogyakarta: Pustaka Pelajar, Yogyakarta, 2010. Buku Teks.

Turabian Style

Riyanto, Slamet. Developing Vocabulary Skills, Book 1. Yogyakarta: Pustaka Pelajar, Yogyakarta, 2010. Buku Teks.