Παραπομπή APA

Bremer, A. (1972). Open education: A beginning. Holt Rinehart & Winston.

Παραπομπή Chicago Style

Bremer, Anne. Open Education: A Beginning. New York: Holt Rinehart & Winston, 1972.

Παραπομπή MLA

Bremer, Anne. Open Education: A Beginning. Holt Rinehart & Winston, 1972.