APA引文

Princeton Review (Firm). (2024). TOEFL iBT prep (18th edition.). Penguin Random House.

Chicago Style (17th ed.) Citation

Princeton Review (Firm). TOEFL IBT Prep. 18th edition. New York, NY: Penguin Random House, 2024.

MLA引文

Princeton Review (Firm). TOEFL IBT Prep. 18th edition. Penguin Random House, 2024.

警告：這些引文格式不一定是100％准確.