Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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