Davis, James R., author
John Wiley & Sons, 1990
Buku Teks
Wallace, Wanda A., author
John Wiley & Sons, 2008
Buku Teks
Wohl, Gerald
Richard D. Irwin , 1965
Buku Teks
Chambers, Andrew D., author
Pitman, 1987
Buku Teks
McRae, T.W.
John Wiley & Sons, 1965
Buku Teks