Ranganathan, S. R., & Gopinath, M. A. (1987). Colon classification (Ed. 7, basic and depth version.). Sarada Ranganathan Endowment for Library Science.
Citace podle Chicago (17th ed.)Ranganathan, S. R., a M. A. Gopinath. Colon Classification. Ed. 7, basic and depth version. Bangalore: Sarada Ranganathan Endowment for Library Science, 1987.
Citace podle MLA (9th ed.)Ranganathan, S. R., a M. A. Gopinath. Colon Classification. Ed. 7, basic and depth version. Sarada Ranganathan Endowment for Library Science, 1987.
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