APA引文

Dulan, S. (2007). GRE examination preparation. Pearson Education.

芝加哥风格引文

Dulan, Steven. GRE Examination Preparation. New Delhi: Pearson Education, 2007.

MLA引文

Dulan, Steven. GRE Examination Preparation. Pearson Education, 2007.

警告：这些引文格式不一定是100％准确.