Dunphy, Dexter C., author
McGraw-Hill, 1985
Buku Teks
Helms-Mills, Jean, author
Routledge, 2009
Buku Teks
John, E.A., author
Pergamon, 1973
Buku Teks
Mitchell, Ferd H., author
CRC Press, 2016
Buku Teks
Brown, Arnold, author
McGraw-Hill, 1984
Buku Teks