Tohutoro APA (7th ed.)

Beauchamp, T. L. (1991). Philosophical ethics: An introduction to moral philosophy (2nd ed.). McGraw-Hill.

Tohutoru Chicago (17th ed.)

Beauchamp, Tom L. Philosophical Ethics: An Introduction to Moral Philosophy. 2nd ed. New York: McGraw-Hill, 1991.

Tohutoro MLA (8th ed.)

Beauchamp, Tom L. Philosophical Ethics: An Introduction to Moral Philosophy. 2nd ed. McGraw-Hill, 1991.