Παραπομπή σε μορφή APA (7η εκδ.)

Δέλλας, Χ. (1993). Recessions and ability discrimination. Centre of Planning and Economic Research.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Δέλλας, Χάρης. Recessions and Ability Discrimination. Athens: Centre of Planning and Economic Research, 1993.

Παραπομπή σε μορφή MLA (8th εκδ.)

Δέλλας, Χάρης. Recessions and Ability Discrimination. Centre of Planning and Economic Research, 1993.