Ehrenzweig, Albert A., author
West Publishing, 1962
Buku Teks
Collier, John G. (John Greenwood), author
Cambridge University Pers, 1994
Buku Teks
Rutter, William A., author
s.n., 1973
Buku Teks
Collier, John G. (John Greenwood), author
Cambridge University Press, 1994
Buku Teks
Collier, John G. (John Greenwood), author
Cambridge University Press, 1987
Buku Teks