APA-viite

Summerfield, M. (2009). Programming in Python 3: A complete introduction to the Python language. Pearson Education.

Chicago-tyylinen lähdeviittaus

Summerfield, Mark. Programming in Python 3: A Complete Introduction to the Python Language. New Delhi: Pearson Education, 2009.

MLA-viite

Summerfield, Mark. Programming in Python 3: A Complete Introduction to the Python Language. Pearson Education, 2009.