Παραπομπή σε μορφή APA (7η εκδ.)

Não informado. (1980). New Directions for Teaching and Learning. Jessey Bass Publishers.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Não informado. New Directions for Teaching and Learning. San Francisco, Calif: Jessey Bass Publishers, 1980.

Παραπομπή σε μορφή MLA (8th εκδ.)

Não informado. New Directions for Teaching and Learning. Jessey Bass Publishers, 1980.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.