Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service). (2012). The economics of the national football league: The state of the art. Springer New York.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service). The Economics of the National Football League: The State of the Art. New York, NY: Springer New York, 2012.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service). The Economics of the National Football League: The State of the Art. Springer New York, 2012.