Παραπομπή σε μορφή APA (7η εκδ.)

Kuhlman, E. L. (1994). Agony in education: The importance of struggle in the process of learning. Bergin & Garvey.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Kuhlman, Edward L. Agony in Education: The Importance of Struggle in the Process of Learning. Westport: Bergin & Garvey, 1994.

Παραπομπή σε μορφή MLA (9th εκδ.)

Kuhlman, Edward L. Agony in Education: The Importance of Struggle in the Process of Learning. Bergin & Garvey, 1994.