Yan, Sun, author
Cornell University Press, 2004
Buku Teks
Yan, Sun, author
Cornell University Press, 2004
Buku Teks
Holt, Rinehart and Winston, 1985
Buku Teks
Hamner, Tommie
Prentice-Hall, 1990
Buku Teks
edited by Robert D. Putnam
Oxford University Press, 2002
Buku Teks