Cita APA

Mendis, V. L. B., & Mendis, V. L. B. (1992). National security concepts of states: Sri Lanka. New York, New York: United Nations.

Citación estilo Chicago

Mendis, Vernon L. B., y Vernon L. B. Mendis. National Security Concepts of States: Sri Lanka. New York, New York: United Nations, 1992.

Cita MLA

Mendis, Vernon L. B., y Vernon L. B. Mendis. National Security Concepts of States: Sri Lanka. New York, New York: United Nations, 1992.