Bickel, Alexander M., author
Harper & Row, 1970
Buku Teks
Bickel, Alexander M., author
Harper Torchbooks, 1970
Buku Teks
Schwartz, Bernard, author
The Ronald Press, 1957
Buku Teks
Oemar Seno Adji, author
Wirawan PD, 2000
Buku Teks
Clayton, James E., author
E.P. Dutton, 1964
Buku Teks