Zeff, Stephen A.
Stipes Publishing Company, 1972
Buku Teks
Garland Publishing, Inc, 1982
Buku Teks
Anthony, Robert N. (Robert Newton), 1916-2006, author
Richard D. Irwin, 1979
Buku Teks
Cerepak, John R., author
Prentice-Hall, 1987
Buku Teks
Niswonger, C. Rollin (Clifford Rollin), 1907-, author
South-Western Pub., Co. , 1977
Buku Teks