Cita APA (7th ed.)

Editors by Schwarzenberger ,Georg. (1980). The Year book of world Affairs. Westview Pr..

Cita Chicago (17th ed.)

Editors by Schwarzenberger ,Georg. The Year Book of World Affairs. Boulder: Westview Pr., 1980.

Cita MLA (9th ed.)

Editors by Schwarzenberger ,Georg. The Year Book of World Affairs. Westview Pr., 1980.