APA-referens (7:e uppl.)

Crowther, I. (2007). Creating effective learning environments (Second edition.). Thomson Nelson.

Chicago-referens (17:e uppl.)

Crowther, Ingrid. Creating Effective Learning Environments. Second edition. Toronto, ON: Thomson Nelson, 2007.

MLA-referens (8:e uppl.)

Crowther, Ingrid. Creating Effective Learning Environments. Second edition. Thomson Nelson, 2007.