Weiss, Leonard W.
John Wiley & Sons, 1980
Buku Teks
Hodgetts, Richard M.
Saunders, 1977
Buku Teks
Sethi, S. Prakash
Prentice-Hall, 1974
Buku Teks
Molander, Earl A.
McGraw-Hill, 1980
Buku Teks
Ziegler, Raymond J.
Appleton-Century-Crofts, 1966
Buku Teks