Riyanto, S.(2014).The 1st student's choice TOEFL [ Test of English As A Foreig Language ]: test strategy for reading comprehension (Cet.3).Yogyakarta:KPG (Kepustakaan Populer Gramedia).
Gaya MLA
Riyanto, Slamet."The 1st student's choice TOEFL [ Test of English As A Foreig Language ]: test strategy for reading comprehension".Cet.3Yogyakarta:KPG (Kepustakaan Populer Gramedia),2014.Textbook.