Παραπομπή σε μορφή APA (7η εκδ.)

Nordland, E., & Reardon, B. Learning peace: The promise of ecological and cooperative education. State university of New York.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Nordland, Eva, και Betty Reardon. Learning Peace: The Promise of Ecological and Cooperative Education. New York: State university of New York.

Παραπομπή σε μορφή MLA (8th εκδ.)

Nordland, Eva, και Betty Reardon. Learning Peace: The Promise of Ecological and Cooperative Education. State university of New York.