Dahl, Robert A., 1915-2014, author
Prentice Hall of India, 1976
Buku Teks
Dahl, Robert A., 1915-2014, author
Prentice-Hall, 1978
Buku Teks
Sankar Muthu
Cambridge University Press, 2014
Buku Teks
Routledge, 2000
Buku Teks
edited by Robert E. Ward
Princeton University Press, 1968
Buku Teks