Hart, Andrew
Understanding the media : a practical guide
Routledge, 1997
 Buku Referensi
Thorn, Eric A.
Understanding copyright : a practical guide
Jay Books, 1989
 Buku Referensi
Baron, Robert A.
Understanding human relations : a practical guide to people at work
Allyn and Bacon, 1991
 Buku Teks
Thorn, Eric A.
Understanding copyright: a practical guide / Eric A. Thorn
Jay Books , 1989
 Buku Teks
Rakhit, A.K.
Heat treatment of gears: a practical guide for engineers
ASM International, 2000
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