Edited by Arthur C. Beck, Jr., Ellis D. Hillmar
Reading, Massachusetts Addicon-Wesley Publishing , 1972
Buku Teks
Wiest, Jerome D.
Prentice-Hall, 1977
Buku Teks
edited by Fremont A. Shull
Richard D. Irwin, 1959
Buku Teks
edited by H. Igor Ansoff
Penguin, 1969
Buku Teks
Edited by James L. Gibson, John M. Ivanceich, James H. Donnelly
Business Publications, 1985
Buku Teks