edited by S. Sugiyama, Linda Grove
Curzon Press, 2001
Buku Teks
editors, Robert E. Ward and Roy C. Macridis
Prentice-Hall, 1963
Buku Teks
edited by Bernhard Grossmann
Otto Harrassowitz, 1972
Buku Teks
King, M. H., author
Oxford University Press, 1978
Buku Teks
Murdock, George Peter, author
McGraw-Hill, 1959
Buku Teks