Lingga, H. D. (2011). Mastering toefl essay: Penuntun praktis menghadapi writing section. Andi.
Chicago Style (17th ed.) CitationLingga, Hotben D. Mastering Toefl Essay: Penuntun Praktis Menghadapi Writing Section. Andi, 2011.
MLA (8th ed.) CitationLingga, Hotben D. Mastering Toefl Essay: Penuntun Praktis Menghadapi Writing Section. Andi, 2011.
Warning: These citations may not always be 100% accurate.