Leblanc, Hugues
Mass. Allyn and Bacon , 1974
Buku Teks
Nietzsche, Friedrich, author
The Modern Library , [date of publication not identified]
Buku Teks
Fatih University Publications, 2005
Buku Teks
Stevenson, Leslie Forster, author
Oxford University Press, 2012
Buku Teks
Bronowski, J.
Natural History Press, 1966
Buku Teks