Moon, Parker Thomas, author
Macmillan, 1947
Buku Teks
edited by John Baylis and N.J. Rengger
Clarendon Press , 1992
Buku Teks
by Steven L. Spiegel [and others]
Thomson Wadsworth, 2005
Buku Teks
Lerner, Max, author
Simon and Schuster , 1962
Buku Teks
Frieden, Jeffry A., author
W.W. Norton, 2016
Buku Teks