Παραπομπή σε μορφή APA (7η εκδ.)

Hale, B., & Wright, C. (2001). The reason's of proper study: Essays towards a Neo-Fregean philosophy of mathematics. Clarendon Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hale, Bob, και Crispin Wright. The Reason's of Proper Study: Essays Towards a Neo-Fregean Philosophy of Mathematics. Oxford: Clarendon Press, 2001.

Παραπομπή σε μορφή MLA (8th εκδ.)

Hale, Bob, και Crispin Wright. The Reason's of Proper Study: Essays Towards a Neo-Fregean Philosophy of Mathematics. Clarendon Press, 2001.