Gaya APA

Riyanto, S. (2015). The 1st Student's Coice Toefl : Test Strategy For Listening Comprehension (Cet. 4). Jakarta: Gramedia.

Gaya MLA

Riyanto, Slamet. "The 1st Student's Coice Toefl : Test Strategy For Listening Comprehension". Cet. 4 Jakarta: Gramedia, 2015. Monograf.