Cita APA

Gorman, G. E., & Mills, J. (1992). Guide to current indexing and abstracting services in the Third World. H. Zell Publishers.

Citación estilo Chicago

Gorman, Gary E., and J.J Mills. Guide to Current Indexing and Abstracting Services in the Third World. London: H. Zell Publishers, 1992.

Cita MLA

Gorman, Gary E., and J.J Mills. Guide to Current Indexing and Abstracting Services in the Third World. H. Zell Publishers, 1992.