APA-referens (7:e uppl.)

Havey, M. (2005). Essential business process modeling. O'Reilly Media.

Chicago-referens (17:e uppl.)

Havey, Michael. Essential Business Process Modeling. Sebastopol: O'Reilly Media, 2005.

MLA-referens (9:e uppl.)

Havey, Michael. Essential Business Process Modeling. O'Reilly Media, 2005.