Rogers, Everett M., author
The Free Press, 1994
Buku Teks
Rogers, Everett M., author
Free Press, 1994
Buku Teks
Grabar, V.E., author
Clarendon Press, 1990
Buku Referensi
Scollon, Ronald, author
Blackwell Publishing, 2001
Buku Teks
Myers, Michele Tolela, author
McGraw-Hill, 1982
Buku Teks