APA-referens (7:e uppl.)

Hass, G. (1987). Curriculum planning: A new approach (2nd ed.). Allyn and Bacon.

Chicago-referens (17:e uppl.)

Hass, Glen. Curriculum Planning: A New Approach. 2nd ed. Boston: Allyn and Bacon, 1987.

MLA-referens (8:e uppl.)

Hass, Glen. Curriculum Planning: A New Approach. 2nd ed. Allyn and Bacon, 1987.