Gaya APA

Riyanto, S. et al (2010). Developing vocabulary skills; houses & apartments, office equipment, factory equipment, sport hobbies, business & economy, governmental matters millitary & police terms, etc (Book 3). Yogyakarta: Pustaka Pelajar.

Gaya MLA

Riyanto, Slamet. et al. "Developing vocabulary skills; houses & apartments, office equipment, factory equipment, sport hobbies, business & economy, governmental matters millitary & police terms, etc". Book 3 Yogyakarta: Pustaka Pelajar, 2010. Text.