Gaya APA

Riyanto, S. (2008). The 1 Student's Choice Toefl (Test Of English As A Foreign Language): Test Strategy Structure and Written Expression: strategi menjawab soal structure and written expression dalam tes toefl biru-ungu besar (Ed. 2, Cet. 2). Yogyakarta: Pustaka Pelajar.

Gaya MLA

Riyanto, Slamet. "The 1 Student's Choice Toefl (Test Of English As A Foreign Language): Test Strategy Structure and Written Expression: strategi menjawab soal structure and written expression dalam tes toefl biru-ungu besar". Ed. 2, Cet. 2 Yogyakarta: Pustaka Pelajar, 2008. Book.