Crews, K. D., & Buttler, D. K. (2006). Copyright law for librarians and educators: Creative strategies and practical solutions (2nd ed.). American Library Association.
Citace podle Chicago (17th ed.)Crews, Kenneth D., a Dwayne K. Buttler. Copyright Law for Librarians and Educators: Creative Strategies and Practical Solutions. 2nd ed. Chicago: American Library Association, 2006.
Citace podle MLA (9th ed.)Crews, Kenneth D., a Dwayne K. Buttler. Copyright Law for Librarians and Educators: Creative Strategies and Practical Solutions. 2nd ed. American Library Association, 2006.
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