APA-referens (7:e uppl.)

Hetland, M. L. (2017). Beginning Python: From Novice to Professional (3rd.). Apress.

Chicago-referens (17:e uppl.)

Hetland, Magnus Lie. Beginning Python: From Novice to Professional. 3rd. New York: Apress, 2017.

MLA-referens (9:e uppl.)

Hetland, Magnus Lie. Beginning Python: From Novice to Professional. 3rd. Apress, 2017.