Παραπομπή σε μορφή APA (7η εκδ.)

Alexander, C. N. (1990). Higher stages of human development: Perspectives on adult growth. Oxford University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Alexander, Charles N. Higher Stages of Human Development: Perspectives on Adult Growth. New York: Oxford University Press, 1990.

Παραπομπή σε μορφή MLA (9th εκδ.)

Alexander, Charles N. Higher Stages of Human Development: Perspectives on Adult Growth. Oxford University Press, 1990.