Cita APA (7th ed.)

Villareal, C. T. (1965). National security and foreign policy. s.n.

Cita Chicago (17th ed.)

Villareal, Cornelio Tupaz. National Security and Foreign Policy. [Manilan: s.n, 1965.

Cita MLA (9th ed.)

Villareal, Cornelio Tupaz. National Security and Foreign Policy. s.n, 1965.