Williams, Leonard Aimslie
Industrial marketing, management and controls L.A. Williams
London Longmans, Green and Co. Ltd. 1967,
 Buku Teks
Williams, Leonard Aimslie
Industrial marketing management and controls / L.A. Williams
American Elsevier Publishing Company, INC, 1968
 Buku Teks
Management controls : new directions in basic research
edited by Charles P. Bonini, Robert K. Jaedicke and Harvey M. Wagner
McGraw-Hill, 1964
 Buku Teks
Kotler, Philip
Marketing management
Prentice-Hall, 2000
 Buku Teks
Kotler, Philip
Marketing management
Prentice-Hall, 2003
 Buku Teks