Style de citation APA (7e éd.)

(1982). Countries of the world and their leaders yearbook 1982. Gale Research Co..

Style de citation Chicago (17e éd.)

Countries of the World and Their Leaders Yearbook 1982. Detroit, Mich.: Gale Research Co., 1982.

Style de citation MLA (9e éd.)

Countries of the World and Their Leaders Yearbook 1982. Gale Research Co., 1982.

Attention : ces citations peuvent ne pas être correctes à 100%.