Dyfyniad APA

(1977). Political handbook of the world : 1977: Government, regional issues, and intergovernmental organizations as of January 1, 1977. McGraw-Hill.

Dyfyniad Arddull Chicago

Political Handbook of the World : 1977: Government, Regional Issues, and Intergovernmental Organizations as of January 1, 1977. New York: McGraw-Hill, 1977.

Dyfyniad MLA

Political Handbook of the World : 1977: Government, Regional Issues, and Intergovernmental Organizations as of January 1, 1977. McGraw-Hill, 1977.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.