Vickery, B. C., & Foskett, D. J. (1958). Classification and indexing in science. Butterworths.
Cita Chicago Style (17a ed.)Vickery, B. C., y D. J. Foskett. Classification and Indexing in Science. London: Butterworths, 1958.
Cita MLA (9a ed.)Vickery, B. C., y D. J. Foskett. Classification and Indexing in Science. Butterworths, 1958.
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