Hart, Andrew
Understanding the media : a practical guide
Routledge, 1997
Buku Referensi
Morris, Kenneth M.
Guide to understanding money & investing
Lightbulb Press, 1998
Buku Referensi
Thorn, Eric A.
Understanding copyright : a practical guide
Jay Books, 1989
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Flick, Ernest W.
Corrosion Inhibitors: an industrial guide
Noyes Publications, 1987
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Schroeder, Larry D.
Understanding regression analysis : an introductory guide
Sage Publications, 1998
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