Baker, Nicholson
Random House, 2001
Buku Teks
Rattigan-Rohr, Jean
Sense, 2012
eBooks
Lamparello, Adam
NY Routledge, 2017
Buku Teks
with a pref. by Robert S. McNamara
The John Hopkins University Press , 1975
Buku Teks
Diamond, William
Johns Hopkins Press , 1957
Buku Teks