Montemayor, F. M. (1985). Ethics: The science and art of life (3rd ed.). National Book Store.
Chicago-viite (17. p.)Montemayor, Felix M. Ethics: The Science and Art of Life. 3rd ed. Metro Manila: National Book Store, 1985.
MLA-viite (9. p.)Montemayor, Felix M. Ethics: The Science and Art of Life. 3rd ed. National Book Store, 1985.
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