Gadis Arivia, Donny Gahral Adian.
Department of Philosophy, University of Indonesia, 2009
Buku Teks
Ambalu, Shulamit
Dorling Kindersley, 2013
Buku Referensi
edited by Stewart Sutherland, Leslie Houlden, Peter Clarke, Friedhelm Hardy
Routledge, 1988
Buku Referensi
Robert E. Buswell, editor
Princeton University Press, 2007
Buku Teks
Bettany, G.T.
Bracken Books, [date of publication not identified]
Buku Referensi