APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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