Kolby, J., & Vaughn, D. (2009). GMAT Math prep course. Nova Press.
Citación estilo ChicagoKolby, Jeff, and Derrick Vaughn. GMAT Math Prep Course. Los Angeles, CA: Nova Press, 2009.
Cita MLAKolby, Jeff, and Derrick Vaughn. GMAT Math Prep Course. Nova Press, 2009.
Warning: These citations may not always be 100% accurate.