APA引文

Kolby, J., & Vaughn, D. (2009). GMAT Math prep course. Nova Press.

Chicago Style (17th ed.) Citation

Kolby, Jeff, and Derrick Vaughn. GMAT Math Prep Course. Los Angeles, CA: Nova Press, 2009.

MLA引文

Kolby, Jeff, and Derrick Vaughn. GMAT Math Prep Course. Nova Press, 2009.

警告：這些引文格式不一定是100％准確.