Languages of the world : cataloging issues and problems
edited by Martin D. Joachim
The Haworth Press, 1993
 Buku Teks
Issues and problems in cataloging the languages of the world Martin D.Joachim
 Artikel Jurnal
Bhasker, J.
A VHDL primer / J. Bhasker
Prentice-Hall, 1992
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Dar, Usha
Investment opportunities in Asean countries / Usha Dar and Pratap K. Dar
Sterling Publishers Pvt.Ltd., 1979
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Katzner, Kenneth
The languages of the world
Routledge, 1995
 Buku Referensi