Cita APA (7th ed.)

University of Santo Tomas, Manila. Graduate School. (1966). [Ethics]. [s.n.].

Cita Chicago (17th ed.)

University of Santo Tomas, Manila. Graduate School. [Ethics]. Manila: [s.n.], 1966.

Cita MLA (9th ed.)

University of Santo Tomas, Manila. Graduate School. [Ethics]. [s.n.], 1966.