Peterson's Guides, Inc. (1997). Peterson's graduate programs in business, education, health, information studies, law & social work (31st ed.). Peterson's.
Style de citation Chicago (17e éd.)Peterson's Guides, Inc. Peterson's Graduate Programs in Business, Education, Health, Information Studies, Law & Social Work. 31st ed. Princeton, N.J: Peterson's, 1997.
Style de citation MLA (9e éd.)Peterson's Guides, Inc. Peterson's Graduate Programs in Business, Education, Health, Information Studies, Law & Social Work. 31st ed. Peterson's, 1997.
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