Aron, Arthur, author
Prentice-Hall, 1997
Buku Teks
Gelbaum, Bernard R., author
W.B. Saunders, 1969
Buku Teks
Atkins, Robert C. (Robert Charles), 1944-, author
McGraw-Hill, 1990
Buku Teks
Buchanan, Herbert E., author
Houghton Mifflin, 1928
Buku Teks
Atkins, Robert C. (Robert Charles), 1944-, author
McGraw-Hil, 2013
Buku Teks