Παραπομπή APA

Hazlitt, H. (1964). The foundations of morality. D.vas nostrand.

Παραπομπή Chicago Style

Hazlitt, Henry. The Foundations of Morality. London: D.vas nostrand, 1964.

Παραπομπή MLA

Hazlitt, Henry. The Foundations of Morality. D.vas nostrand, 1964.