Library Association, Walford, A. J., Mullay, M., & Schlicke, P. (1999). Walford's guide to reference materials. Library Association Pub.
Citace podle Chicago (17th ed.)Library Association, A. J. Walford, Marilyn Mullay, a Priscilla Schlicke. Walford's Guide to Reference Materials. London: Library Association Pub, 1999.
Citace podle MLA (9th ed.)Library Association, et al. Walford's Guide to Reference Materials. Library Association Pub, 1999.
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