Gorman, G. E., & Mills, J. (1992). Guide to current indexing and abstracting services in the Third World. H. Zell Publishers.
Cita Chicago Style (17a ed.)Gorman, Gary E., y J.J Mills. Guide to Current Indexing and Abstracting Services in the Third World. London: H. Zell Publishers, 1992.
Cita MLA (9a ed.)Gorman, Gary E., y J.J Mills. Guide to Current Indexing and Abstracting Services in the Third World. H. Zell Publishers, 1992.
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