Παραπομπή σε μορφή APA (7η εκδ.)

Samuels, R. (2013). Why public higher education should be free: How to decrease costs and increase quality at American universities. Rutgers University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Samuels, Robert. Why Public Higher Education Should Be Free: How to Decrease Costs and Increase Quality at American Universities. New Brunswick, New Jersey: Rutgers University Press, 2013.

Παραπομπή σε μορφή MLA (9th εκδ.)

Samuels, Robert. Why Public Higher Education Should Be Free: How to Decrease Costs and Increase Quality at American Universities. Rutgers University Press, 2013.