APA (7th ed.) Citation

Center, T. I. R. (2015). Toefl Killer: Cara Pasti Mendapat Skor TOEFL 600. INSPIRA.

Chicago Style (17th ed.) Citation

Center, Tim Inspira Research. Toefl Killer: Cara Pasti Mendapat Skor TOEFL 600. INSPIRA, 2015.

MLA (8th ed.) Citation

Center, Tim Inspira Research. Toefl Killer: Cara Pasti Mendapat Skor TOEFL 600. INSPIRA, 2015.

Warning: These citations may not always be 100% accurate.