Clark, Rodney, author
The Japanese company
Yale University Press, 1979
 Buku Teks
The Japanese firm : the sources of competitive strength
edited by Masahiko Aoki and Ronald Dore
Oxford University Press, 1994
 Buku Teks
Malvino, Albert Paul, author
Digital computer electronics : an introduction to microcomputers
Tata McGraw-Hill, 1983
 Buku Teks
Hood, John Linsley
Audio electronics / John Linsley Hood
BH Newnes, 1995
 Buku Teks
Robinson, E. A. G., author
The structure competitive industry
James Nisbet and Co.Ltd., 1958
 Buku Teks