Cambridge University Press , 1996
Buku Teks
Transaction Book, 1973
Buku Teks
Van Horne, James C. (James Carter), 1935-, author
Prentice Hall International, 1995
Buku Teks
Ryans, John K., author
Ohio Kent State University Press , 1974
Buku Teks
Walgenbach, Paul H.
Harcourt Brace Jovanovich, 1990
Buku Teks