Allen, Herman R.
University of Illinois Press, 1964
Buku Teks
Hall, Allen S., author
McGraw-Hill International Book Company, 1983
Buku Teks
Clark, Burton R., author
McGraw-Hill , 1960
Buku Teks
DiStefano, Joseph J., 1940-, author
Erlangga, 1992
Buku Teks
Bucknall, Kevin B., author
Allen &Unwin, 1989
Buku Teks