Gorman, Jack
Grays Publishing, 1977
Buku Teks
Welch, Jack, author
Harper Business, 2005
Buku Teks
Hobbs, Jack A.
Harcourt Brace Jovanovich, 1980
Buku Teks
Smith, Jack L., author
McGraw-Hill , 1986
Buku Teks
Walker, Gordon, author
McGraw-Hill-Irwin, 2004
Buku Teks