Παραπομπή σε μορφή APA (7η εκδ.)

Bowen, H. R. (1997). Investment in learning: The individual and social value of American higher education. The Johns Hopkins University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Bowen, Howard R. Investment in Learning: The Individual and Social Value of American Higher Education. Baltimore: The Johns Hopkins University Press, 1997.

Παραπομπή σε μορφή MLA (9th εκδ.)

Bowen, Howard R. Investment in Learning: The Individual and Social Value of American Higher Education. The Johns Hopkins University Press, 1997.