edited by Randolph L. Braham
Alfred A. Knopf, 1966
Buku Teks
Ehrenberg, Ronald G.
Pearsons Addison-Wesley , 2009
Buku Teks
Allen, Clark Lee
McGraw-Hill, 1954
Buku Teks
Starling, Grover
Dorsey Press, 1979
Buku Teks
Sharkansky, Ira
McGraw-Hill, 1975
Buku Teks