James, William
Meridian Books , 1959
Buku Teks
edited by Michael Novak
Charles Scribner's Sons, 1968
Buku Teks
Schwartz, Robert, 1940-
Wiley Blackwell, 2015
Buku Teks
Blau, Joseph L.
Prentice-Hall, 1965
Buku Teks
Blau, Joseph L.
Prentice-Hall, 1958
Buku Teks