Pisar, S. (1970). Coexistence and commerce: Guidelines for transactions between East and West. New York: McGraw-Hill Book Company.
Παραπομπή Chicago StylePisar, Samuel. Coexistence and Commerce: Guidelines for Transactions between East and West. New York: McGraw-Hill Book Company, 1970.
Παραπομπή MLAPisar, Samuel. Coexistence and Commerce: Guidelines for Transactions between East and West. New York: McGraw-Hill Book Company, 1970.
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