APA-viite

Coffman S. (2012). Objective Type Questions: In Library And Information Science. Ess Ess.

Chicago-tyylinen lähdeviittaus

Coffman S. Objective Type Questions: In Library And Information Science. New Delhi: Ess Ess, 2012.

MLA-viite

Coffman S. Objective Type Questions: In Library And Information Science. Ess Ess, 2012.