Libes, Susan M., author
John Wiley & Sons, 1992
Buku Teks
Sumich, James L., author
McGraw-Hill, 1999
Buku Teks
Barnes, R.S.K., author
Blackwell Scientific Publications, 1988
Buku Teks
edited by M. Whitfield, D. Jagner
John Wiley & Sons, 1981
Buku Teks
Kuchemann, Dietrich, 1911-1976, author
Pergamon Press, 1985
Buku Teks