Hamburg, Morris
Harcourt Brace Javanovich , 1974
Buku Teks
Anderson, Theodore R.
Holt, Rinehart, 1968
Buku Teks
Gerstman, B. Burt, author
Massachusetts Jones & Bartlett Learning, 2015
Buku Teks
Hoel, Paul Gerhard, 1905-, author
Wiley, 1982
Buku Teks
Wilcox, Rand R., author
Oxford University Press, 2009
Buku Teks