Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (8a ed.)

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