Cita APA (7th ed.)

Kolby, J., & Vaughn, D. (2008). Nova's GMAT math bible. Nova Press.

Cita Chicago (17th ed.)

Kolby, Jeff, i Derrick Vaughn. Nova's GMAT Math Bible. Los Angeles, CA: Nova Press, 2008.

Cita MLA (9th ed.)

Kolby, Jeff, i Derrick Vaughn. Nova's GMAT Math Bible. Nova Press, 2008.