Riyanto, S. (2008). The first student's choice toefl preparation [test of english as a foreign language] Panduan praktis persiapan tes toefl untuk maeraih skor toefl tinggi. Pustaka Pelajar.
Chicago Style (17th ed.) CitationRiyanto, Slamet. The First Student's Choice Toefl Preparation [test of English as a Foreign Language] Panduan Praktis Persiapan Tes Toefl Untuk Maeraih Skor Toefl Tinggi. Pustaka Pelajar, 2008.
MLA (8th ed.) CitationRiyanto, Slamet. The First Student's Choice Toefl Preparation [test of English as a Foreign Language] Panduan Praktis Persiapan Tes Toefl Untuk Maeraih Skor Toefl Tinggi. Pustaka Pelajar, 2008.
Warning: These citations may not always be 100% accurate.