APA način citiranja (7. izdanje)

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

Čikaški stil citiranja (17. izdanje)

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

MLA način citiranja (9. izdanje)

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