Howard, Michael
Pustaka Utama Grafiti, 1993
Buku Teks
[publisher not identified], [date of publication not identified]
Naskah
Rocher, Jean
Kompas Media Nusantara, 2011
Buku Teks
Price, Roger
Routledge, 1997
Buku Teks
Albrecht-Carrie, Rene
Columbia University Press, 1950
Buku Teks