Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.