Hagler, R. (1997). The bibliographic record and information technology (3rd ed.). American Library Association.
Citace podle Chicago (17th ed.)Hagler, Ronald. The Bibliographic Record and Information Technology. 3rd ed. Chicago: American Library Association, 1997.
Citace podle MLA (9th ed.)Hagler, Ronald. The Bibliographic Record and Information Technology. 3rd ed. American Library Association, 1997.
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