Penniman, T.K.
Duckworth, 1935
Buku Teks
Eriksen, Thomas Hylland, author
Pluto Press, 2001
Buku Teks
Leaf, Murray J.
Columbia University Press, 1979
Buku Teks
edited by Henrika Kuklick
Blackwell Pub, 2008
Buku Teks
Zwaan, J. P. Kleiweg de
Servire, 1950
Buku Teks