Gaya APA

Riyanto, S., P, H. (2012). Idiomatic Expressions in English : The 1st Student's Choice (I). Yogyakarta: Andi.

Gaya MLA

Riyanto, Slamet., P, Hernita. "Idiomatic Expressions in English : The 1st Student's Choice". I Yogyakarta: Andi, 2012. Book.