Παραπομπή σε μορφή APA (7η εκδ.)

Bartley, W. W. (1990). Unfathomed knowledge, unmeasured welth: On universities and the wealth of nations. Open Court.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Bartley, William Warren. Unfathomed Knowledge, Unmeasured Welth: On Universities and the Wealth of Nations. La Salle, Illinois: Open Court, 1990.

Παραπομπή σε μορφή MLA (9th εκδ.)

Bartley, William Warren. Unfathomed Knowledge, Unmeasured Welth: On Universities and the Wealth of Nations. Open Court, 1990.