(1977). Political handbook of the world : 1977: Government, regional issues, and intergovernmental organizations as of January 1, 1977. McGraw-Hill.
Chicagoスタイル(17版)引用形式Political Handbook of the World : 1977: Government, Regional Issues, and Intergovernmental Organizations as of January 1, 1977. New York: McGraw-Hill, 1977.
MLA(9版)引用形式Political Handbook of the World : 1977: Government, Regional Issues, and Intergovernmental Organizations as of January 1, 1977. McGraw-Hill, 1977.
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