Hass, G. (1987). Curriculum planning: A new approach (2nd ed.). Allyn and Bacon.
Chicago Style aipamenaHass, Glen. Curriculum Planning: A New Approach. 2nd ed. Boston: Allyn and Bacon, 1987.
MLA aipamenaHass, Glen. Curriculum Planning: A New Approach. 2nd ed. Allyn and Bacon, 1987.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.