Merrill, W. S. (1928). Code for libraries, principles governing the consistent placing of books in a system of classification. American Library Association.
Citace podle Chicago (17th ed.)Merrill, William Stetson. Code for Libraries, Principles Governing the Consistent Placing of Books in a System of Classification. Chicago: American Library Association, 1928.
Citace podle MLA (9th ed.)Merrill, William Stetson. Code for Libraries, Principles Governing the Consistent Placing of Books in a System of Classification. American Library Association, 1928.
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