Muhammad. (2005). Enam belas strategi lulus ujian toefl. Pustaka Pelajar.
Chicago Style (17th ed.) CitationMuhammad. Enam Belas Strategi Lulus Ujian Toefl. Pustaka Pelajar, 2005.
MLA (8th ed.) CitationMuhammad. Enam Belas Strategi Lulus Ujian Toefl. Pustaka Pelajar, 2005.
Warning: These citations may not always be 100% accurate.