Cita APA (7a ed.)

Dulan, S. (2007). GMAT Examination preparation. Pearson Education.

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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