APA-viite

Hergenhahn, B. R., & Olson, M. H. (2009). An Introduction to Theories of Learning (8th.). PHI Learning.

Chicago-tyylinen lähdeviittaus

Hergenhahn, B R., ja Matthew H. Olson. An Introduction to Theories of Learning. 8th. New Delhi: PHI Learning, 2009.

MLA-viite

Hergenhahn, B R., ja Matthew H. Olson. An Introduction to Theories of Learning. 8th. PHI Learning, 2009.