Gorman, G. E., & Mills, J. (1992). Guide to current indexing and abstracting services in the Third World. H. Zell Publishers.
Citação norma ChicagoGorman, Gary E., and J.J Mills. Guide to Current Indexing and Abstracting Services in the Third World. London: H. Zell Publishers, 1992.
Citação norma MLAGorman, Gary E., and J.J Mills. Guide to Current Indexing and Abstracting Services in the Third World. H. Zell Publishers, 1992.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.