Wherry, T. L. (2002). The librarian's guide to intellectual property in the digital age: Copyrights, patents, and trademarks. American Library Association.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Wherry, Timothy Lee. The Librarian's Guide to Intellectual Property in the Digital Age: Copyrights, Patents, and Trademarks. Chicago: American Library Association, 2002.
MLA -ийн эшлэл (9 дэх хэвлэлт)Wherry, Timothy Lee. The Librarian's Guide to Intellectual Property in the Digital Age: Copyrights, Patents, and Trademarks. American Library Association, 2002.
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