Scollon, Ronald, author
Blackwell Publishing, 2001
Buku Teks
edited by Linda L. Putnam, Michael E. Pacanowsky
Sage, 1983
Buku Teks
Fennell, Barbara A., author
Blackwell Publishers, 2001
Buku Teks
Johnson, Elmer D., author
Scarecrow Press, 1955
Buku Teks
Grabar, V.E.
Clarendon Press, 1989
Buku Teks