Gaya APA

Triprihatmini, ., Maharani, F. (2014). Let's Learn English : Elementary School I (Cet. 1.--). Yogyakarta: Kanisius.

Gaya MLA

Triprihatmini, ., Maharani, Flora. "Let's Learn English : Elementary School I". Cet. 1.-- Yogyakarta: Kanisius, 2014. Text.