Cita APA (7th ed.)

Cruz, C. L. (1993). Contemporary ethics (Rev. ed.). National Bookstore.

Cita Chicago (17th ed.)

Cruz, Corazon L. Contemporary Ethics. Rev. ed. Manila: National Bookstore, 1993.

Cita MLA (9th ed.)

Cruz, Corazon L. Contemporary Ethics. Rev. ed. National Bookstore, 1993.