Abrahamsen, Martin A.
Cooperative business enterprise
McGraw-Hill Book , 1976
 Buku Teks
Poe, Jerry B.
An introduction to the American business enterprise
Richard D. Irwin, 1974
 Buku Teks
Poe, Jerry B.
An introduction to the American business enterprise
Richard D. Irwin, 1986
 Buku Teks
Poe, Jerry B.
An introduction to the American business enterprise
Richard D. Irwin, 1972
 Buku Teks
McNaughton, Wayne L. (Wayne Leslie), 1902-
Introduction to business enterprise
Wiley, 1970
 Buku Teks