Irvin, L. (1992). Encyclopedia of associations. International organizations. A guide to over 11,000 international nonprofit membership organizations including multinational and binational groups, and national organizations based outside the United States, concern (26th ed.). Gale Research.
Citace podle Chicago (17th ed.)Irvin, L. Encyclopedia of Associations. International Organizations. A Guide to over 11,000 International Nonprofit Membership Organizations Including Multinational and Binational Groups, and National Organizations Based Outside the United States, Concern. 26th ed. Detroit: Gale Research, 1992.
Citace podle MLA (9th ed.)Irvin, L. Encyclopedia of Associations. International Organizations. A Guide to over 11,000 International Nonprofit Membership Organizations Including Multinational and Binational Groups, and National Organizations Based Outside the United States, Concern. 26th ed. Gale Research, 1992.