Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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