Παραπομπή APA

Houle, C. O. (1923). Design of education. Jossey Bass Publishers1974.

Παραπομπή Chicago Style

Houle, Cyril O. Design of Education. San Franico: Jossey Bass Publishers1974, 1923.

Παραπομπή MLA

Houle, Cyril O. Design of Education. Jossey Bass Publishers1974, 1923.