Ishida, Eiichiro
University of Tokyo Press, 1974
Buku Teks
Kroeber, A.L
The University of Chicago Press, 1952
Buku Teks
Mannheim, Karl, author
Routledge & Kegan Paul, 1956
Buku Teks
Lynd, Robert S., author
Harcourt Brace and Company , 1929
Buku Teks
Merrill, Francis E. (Francis Ellsworth), 1904-1969, author
Prentice-Hall, 1965
Buku Teks