Andrew Dicks, editor
CRC Press, 2012
Buku Teks
Doxsee, Kenneth M., author
Thomson, Brooks/Cole, 2004
Buku Teks
Adams, Roger, 1889-1971, author
McMillan, 1963
Buku Teks
Jurch, George R., author
Burgess, 1975
Buku Teks
Eaton, David C., author
McGraw-Hill, 1979
Buku Teks