Παραπομπή APA

Ross, W. D. (1939). Foundations of ethics: The Gifford lectures delivered in the University of Aberdeen, 1935-6. Oxford: The Clarendon Press.

Παραπομπή Chicago Style

Ross, W. David. Foundations of Ethics: The Gifford Lectures Delivered in the University of Aberdeen, 1935-6. Oxford: The Clarendon Press, 1939.

Παραπομπή MLA

Ross, W. David. Foundations of Ethics: The Gifford Lectures Delivered in the University of Aberdeen, 1935-6. Oxford: The Clarendon Press, 1939.

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