APA引文
(2025). GRE Prep Plus (9th Ed.). Kaplan North America.
芝加哥风格引文
GRE Prep Plus. 9th Ed. Florida: Kaplan North America, 2025.
MLA引文
GRE Prep Plus. 9th Ed. Kaplan North America, 2025.
警告：这些引文格式不一定是100％准确.