Stapley, Neil F.
Woodhead-Faulkner, in association with Laing & Cruickshank , 1986
Buku Teks
Sokoloff, Kiril, author
McGraw-Hill/Irwin, 1984
Buku Teks
Lipper, Arthur, III, author
Dow Jones Irwin, 1984
Buku Teks
Thomsett, Michael C., author
American Management Association, 2007
eBooks
Payne, Neil F.
McGraw-Hill , 1992
Buku Teks