Spriegel, William Robert, 1893-1972
Principles of business organization and operation
Prentice-Hall, 1960
 Buku Teks
Tonne, Herbert Arthur
Business principles, organization, and management
McGraw-Hill, 1963
 Buku Teks
Spriegel, William Robert, 1893-1972
Principles of business organization and operation
Prentice-Hall, 1960
 Buku Teks
Quible, Zane K.
Business communication: principles and applications
Prentice-Hall, 1996
 Buku Teks
Alt, Richard M.
Business economics ; principles and cases
Richard D. Irwin, 1955
 Buku Teks