Cooper, Geoffrey M.
Oxford University Press, 2019
Buku Teks
Sheeler, Phillip
John Wiley & Sons, 1987
Buku Teks
edited by Jon Greenberg
Everyday Learning, 2001
Buku Teks
edited by Horst Feldmann
John Wiley, 2012
Buku Teks
Wilson, John, editor
Garland Publishing, 1989
Buku Teks