edited by Robert Teviot Livingston and Stanley H. Milberg
Colombia University Press , 1957
Buku Teks
Yoder, Dale
Prentice-Hall, 1962
Buku Teks
Lovejoy, Laurence C.
Aleander Hamilton Institute, 1962
Buku Teks
Yoder, Dale
Prentice-Hall, 1984
Buku Teks
Yoder, Dale
McGraw-Hill, 1958
Buku Teks