APA-viite

Awad E M. (2018). Colon Classification: A student companion. Ess Ess publication.

Chicago-tyylinen lähdeviittaus

Awad E M. Colon Classification: A Student Companion. New Delhi: Ess Ess publication, 2018.

MLA-viite

Awad E M. Colon Classification: A Student Companion. Ess Ess publication, 2018.