APA استشهاد

Benthem, J. (1970). An introduction to the principles of morals and legislation. Hafner Publishing Co.

استشهاد بنمط شيكاغو

Benthem, Jeremy. An Introduction to the Principles of Morals and Legislation. Darien: Hafner Publishing Co, 1970.

MLA استشهاد

Benthem, Jeremy. An Introduction to the Principles of Morals and Legislation. Hafner Publishing Co, 1970.