Tohutoro APA (7th ed.)

Cross, R. (1999). Duns Scotus. Oxford University Press.

Tohutoru Kātū Chicago (17th ed.)

Cross, Richard. Duns Scotus. New York ; Oxford: Oxford University Press, 1999.

Tohutoro MLA (9th ed.)

Cross, Richard. Duns Scotus. Oxford University Press, 1999.