Millman, Richard S., author
Springer-Verlag, 1981
Buku Teks
Riehl, Joan P., author
Buku Teks
edited by George Houghton
Psychology Press, 2005
Buku Teks
Pindyck, Robert S., author
McGraw-Hill, 1991
Buku Teks
Byrd, Jack, author
McGraw-Hill, 1982
Buku Teks