Barr, Nevada
Avond Books, 2001
Buku Teks
Woskin, Rachel de
Viking, an imprint of Penguin Group (USA), 2014
Buku Teks
Wang, Lv
China Renmin University Press, 2015
eBooks
Pieper, Josef
Pantheon Books, 1955
Buku Teks
edited by Milton Fisk
Humanities Press, 1993
Buku Teks