Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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