APA (7. basım) Alıntı

Kolby, J. &. o. (2015). GMAT: DATA Sufficiency Prep Course. Prakash Pub.

Chicago Style (17. basım) Atıf

Kolby, Jeff & others. GMAT: DATA Sufficiency Prep Course. New Delhi: Prakash Pub, 2015.

MLA (9th ed.) Atıf

Kolby, Jeff & others. GMAT: DATA Sufficiency Prep Course. Prakash Pub, 2015.