Gaya APA

Riyanto, S. (2015). The 1st student's choice TOEFL [ test of english as a foreign language ]: test strategy for structure and written expression (Cet. 2). Yogyakarta: Kerjasama Pustaka Pelajar dan Academika.

Gaya MLA

Riyanto, Slamet. "The 1st student's choice TOEFL [ test of english as a foreign language ]: test strategy for structure and written expression". Cet. 2 Yogyakarta: Kerjasama Pustaka Pelajar dan Academika, 2015. Textbook.