Baker, Kenneth R
John Wiley & Sons, 1985
Buku Teks
Powell, Stephen G.
Wiley , 2014
Buku Teks
Baker, H. Dean (Henry Dean)
John Wiley & Sons, 1953
Buku Teks
Anderson, David
South-Western College Publishing, 2000
Buku Teks
Davis, Kenneth R.
John Wiley & Sons, 1981
Buku Teks