University Press of America, 1980
Buku Teks
University of Notre Dame Press, 1979
Buku Teks
Westing, John Howard, author
Prentice-Hall, 1957
Buku Teks
McNair, Malcolm P., author
McGraw-Hill, 1949
Buku Teks
McNair, Malcolm P., author
McGraw-Hill, 1956
Buku Teks