Jackson, Michael C.
Plenum Press, 1991
Buku Teks
Schoderbek, Charles G.
Business Publications, 1980
Buku Teks
Schoderbek, Peter P.
Richard D. Irwin, 1990
Buku Teks
Matthies, Leslie H.
John Wiley & Sons, 1976
Buku Teks
Beckett, John A.
Tata McGraw-Hill, 1975
Buku Teks