Παραπομπή σε μορφή APA (7η εκδ.)

Greenberg, D., & Katz, S. N. (1994). The life of learning: The Charles Homer Haskins Lectures of the American Council of learned societies. Oxford University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Greenberg, Douglas, και Stanley N. Katz. The Life of Learning: The Charles Homer Haskins Lectures of the American Council of Learned Societies. New York: Oxford University Press, 1994.

Παραπομπή σε μορφή MLA (9th εκδ.)

Greenberg, Douglas, και Stanley N. Katz. The Life of Learning: The Charles Homer Haskins Lectures of the American Council of Learned Societies. Oxford University Press, 1994.