APA aipamena

Spodek, B., & Walberg, H. J. (1975). Studies in open education. Agathon Press.

Chicago Style aipamena

Spodek, Bernard, and Herbert J. Walberg. Studies in Open Education. New York: Agathon Press, 1975.

MLA aipamena

Spodek, Bernard, and Herbert J. Walberg. Studies in Open Education. Agathon Press, 1975.