Cruickshank, Donald R., author
McGraw-Hill, 2012
Buku Teks
Salemba Empat, 2014
Buku Teks
Borich, Gary D., author
Prentice-Hall, [date of publication not identified]
Buku Teks
Hickerson, George
BKKBN, 1977
Buku Teks
Pipe, Peter
Fearon Publ., 1975
Buku Teks