C. A. J. Coady
Blackwell Publishing, 2006
Buku Teks
Dannheisser, Lynn M., author
Dian Rakyat, 2006
Buku Teks
Hammersley, Martyn, author
Routledge, 1992
Buku Teks
Gilbert, Rodney
John Murray, 1926
Buku Teks
Fried, Morton H., author
Random House, 1967
Buku Teks