APA-viite

Zunker, V. G. (2012). Career counselling holistic approach (8th ed.). Cengage learning.

Chicago-tyylinen lähdeviittaus

Zunker, Vernon G. Career Counselling Holistic Approach. 8th ed. Asia: Cengage learning, 2012.

MLA-viite

Zunker, Vernon G. Career Counselling Holistic Approach. 8th ed. Cengage learning, 2012.