Armstrong, C. J., Cox, J., & Hartley, R. J. (1997). Keyguide to information sources in online and CD-ROM database searching (2nd ed.). Mansell.
Citace podle Chicago (17th ed.)Armstrong, C. J., John Cox, a Richard J. Hartley. Keyguide to Information Sources in Online and CD-ROM Database Searching. 2nd ed. London: Mansell, 1997.
Citace podle MLA (9th ed.)Armstrong, C. J., et al. Keyguide to Information Sources in Online and CD-ROM Database Searching. 2nd ed. Mansell, 1997.
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