Παραπομπή σε μορφή APA (7η εκδ.)

Purdy, D. L. (2011). On the Ruins of Babel: Architectural Metaphor in German Thought. Cornell University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Purdy, Daniel L. On the Ruins of Babel: Architectural Metaphor in German Thought. Ithaca, New York: Cornell University Press, 2011.

Παραπομπή σε μορφή MLA (9th εκδ.)

Purdy, Daniel L. On the Ruins of Babel: Architectural Metaphor in German Thought. Cornell University Press, 2011.