Cohen, Jack
The Collapse of chaos: discovering simplicity in a complex world
Penguins Books, 1994
Buku Teks
Shore, Peter
A guide to the world's radio stations
Bernard Babani, 1995
Buku Referensi
Cotterill, Rodney
The Cambridge guide to the material world
Cambridge University Press, 1989
Buku Referensi
O`Donnell, Sandra Martin
Programming for the world : a guide to internationalization
Prentice-Hall, 1994
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Krogh, David
Biology : a guide to the natural world
Pearson, 2009
Buku Teks