Castro, Brian
George Allen and Unwin, 1983
Buku Teks
Sheehy, Gail
Harper Collins , 1993
Buku Teks
Hastrup, Kirsten, author
Routledge, 1995
Buku Teks
Wechsberg, Joseph
Little, Brown and Company, 1964
Buku Teks
Malraux, Andre, author
New York, Doubleday, 1953
Buku Teks