Johnson, George, author
McGraw-Hill, 2010
Buku Teks
Weisz, Paul B., author
McGraw-Hill, 1963
Buku Teks
Weisz, Paul B., author
McGraw-Hill, 1982
Buku Teks
Baker, Arthur O., author
Rand McNally, 1953
Buku Teks
DiStefano, Joseph J., 1940-
Elsevier/Academic Press, 2014
Buku Teks