Weston, J. Fred (John Fred), 1916-
Irwin , 1972
Buku Teks
Levi, Maurice D., 1945-, author
McGraw-Hill, 1983
Buku Teks
Ball, Donald A., author
Business Publications, 1985
Buku Teks
Moran, Robert T., author
Gulf, 1991
Buku Teks
Nie, Winter, author
Amacom, 2012
Buku Teks