Stevenson, Leslie
Oxford University Press, 1974
Buku Teks
Stables, Andrew
[, Sense], 2012
eBooks
Redfield, Robert
University of Chicago Press , 1962
Buku Teks SO
Jung, Sun-oh
University Press of America, 2005
Buku Teks
Bronowski, Jacob, 1908-1974, editor
Natural History Press, 1966
Buku Teks SO