Παραπομπή APA
Banks, A. S. (1978). Political handbook of the world: 1978 governments and intergovernmental organizations, as of January 1, 1978. New York: McGraw-Hill books company.
Παραπομπή Chicago StyleBanks, Arthur S. Political Handbook of the World: 1978 Governments and Intergovernmental Organizations, As of January 1, 1978. New York: McGraw-Hill books company, 1978.
Παραπομπή MLABanks, Arthur S. Political Handbook of the World: 1978 Governments and Intergovernmental Organizations, As of January 1, 1978. New York: McGraw-Hill books company, 1978.
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