Style de citation APA

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

Style de citation Chicago

Coombs, Philip Hall. The Fourth Dimension of Foreign Policy: Educational and Cultural Affairs. New York [u.a.]: Harper and Row, 1964.

Style de citation MLA

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