Riyanto, S. (2008). A Quick and Effective Strategy To Prepare the TOEFL TEST: Kupas Tuntas Strategi Cepat dan Efektif Persiapan Paper-Based TOEFL. Pustaka Pelajar.
Chicago Style (17th ed.) CitationRiyanto, Slamet. A Quick and Effective Strategy To Prepare the TOEFL TEST: Kupas Tuntas Strategi Cepat Dan Efektif Persiapan Paper-Based TOEFL. Pustaka Pelajar, 2008.
MLA (8th ed.) CitationRiyanto, Slamet. A Quick and Effective Strategy To Prepare the TOEFL TEST: Kupas Tuntas Strategi Cepat Dan Efektif Persiapan Paper-Based TOEFL. Pustaka Pelajar, 2008.
Warning: These citations may not always be 100% accurate.