Willinsky, J. (2006). Access principle: The case for open access to research and scholarship. Massachusetts Institute of technology.
Chicago-tyylinen lähdeviittausWillinsky, John. Access Principle: The Case for Open Access to Research and Scholarship. Cambridge: Massachusetts Institute of technology, 2006.
MLA-viiteWillinsky, John. Access Principle: The Case for Open Access to Research and Scholarship. Massachusetts Institute of technology, 2006.
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