(1970). Zamboanga City. [s.n.].
Cita Chicago (17th ed.)Zamboanga City. [Manila]: [s.n.], 1970.
Cita MLA (9th ed.)Zamboanga City. [s.n.], 1970.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)
(1970). Zamboanga City. [s.n.].
Cita Chicago (17th ed.)Zamboanga City. [Manila]: [s.n.], 1970.
Cita MLA (9th ed.)Zamboanga City. [s.n.], 1970.