Cita APA (7th ed.)

Tung, W. L. (1969). International organization under the United Nations system. Thomas Y. Crowell.

Cita Chicago (17th ed.)

Tung, William L. International Organization Under the United Nations System. Nueva York: Thomas Y. Crowell, 1969.

Cita MLA (9th ed.)

Tung, William L. International Organization Under the United Nations System. Thomas Y. Crowell, 1969.