Citazione Stile APA (7a Edizione)

Coombs, P. H. (1964). The fourth dimension of foreign policy: Educational and cultural affairs. Harper and Row.

Citazione stile Chigago Style (17a edizione)

Coombs, Philip H. The Fourth Dimension of Foreign Policy: Educational and Cultural Affairs. Nueva York: Harper and Row, 1964.

Citatione MLA (9a ed.)

Coombs, Philip H. The Fourth Dimension of Foreign Policy: Educational and Cultural Affairs. Harper and Row, 1964.