Willitts, J. (1992). Database design and construction: An open course for students and information managers. Library Association.
Citace podle Chicago (17th ed.)Willitts, John. Database Design and Construction: An Open Course for Students and Information Managers. London: Library Association, 1992.
Citace podle MLA (9th ed.)Willitts, John. Database Design and Construction: An Open Course for Students and Information Managers. Library Association, 1992.
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