by Colin M. Turnbull
Simon and schuster, 1962
Buku Teks
Davidson, Basil, author
Time-Life International, 1967
Buku Teks
Jakarta : The Ambassador of The Republic of Zimbabwe, 2007,
Majalah, Jurnal, Buletin
Caplan, Pat
Routledge, 1997
Buku Teks
Christopher Alexander...[et al.]
Oxford University Press, 1975
Buku Teks