edited by Martin Coyele, Peter Garside, Malcolm Kelsall, John Peck
Routledge, 1991
Buku Referensi
London Routledge , 1992
Buku Teks
Soenarjati Djajanegara
2005
Artikel Jurnal
editor, Dennis Poupard; associate editor Mark W. Scott
Gale Research Company, 1984-1989
Buku Referensi
Meriam-Webster, Incoporate, 1995
Buku Referensi