Merkoša sitáhtat
APA-čujuhus (7. p.)
Crawford, W. (2011). Open access: What you need to know now. American Library Association.
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Chicago-čujuhus (17. p.)
Crawford, Walt. Open Access: What You Need to Know Now. Chicago: American Library Association, 2011.
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MLA-čujuhus (9. p.)
Crawford, Walt. Open Access: What You Need to Know Now. American Library Association, 2011.
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