Παραπομπή APA

Wiilams, B. (1978). Descartes: The project of pure enquiry. Penguin Books.

Παραπομπή Chicago Style

Wiilams, Bernard. Descartes: The Project of Pure Enquiry. Halmondsworth: Penguin Books, 1978.

Παραπομπή MLA

Wiilams, Bernard. Descartes: The Project of Pure Enquiry. Penguin Books, 1978.