Connors, M., & Dorgan, C. A. (1990). Trade shows worldwide: An international directory of events, facilities and supplies (4th ed.). Gale Research.
Chicago Style (17. basım) AtıfConnors, Martin, ve Charity Anne Dorgan. Trade Shows Worldwide: An International Directory of Events, Facilities and Supplies. 4th ed. Detroit: Gale Research, 1990.
MLA (9th ed.) AtıfConnors, Martin, ve Charity Anne Dorgan. Trade Shows Worldwide: An International Directory of Events, Facilities and Supplies. 4th ed. Gale Research, 1990.
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