edited by P.A. Gnadt, J.S. Lawler
Prentice-Hall, 1990
Buku Teks
Northcote-Green, James, author
CRC Press, Taylor & Francis, 2007
Buku Teks
edited by Clark W. Bullard and Porter J. Womeldorff
Pergamon, 1984
Buku Teks
Nicholas D. Adams, Terry W. Brown, Rowland V. D. Firth, Laura P. Misenheimer, editor
McGraw-Hill, 1996
Buku Referensi
Olsson, Gustaf, author
Prentice-Hall, 1992
Buku Teks