Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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