Adrian, Charles R., author
Mc Graw-Hill, 1976
Buku Teks
Nimmo, Dan
W.H. Freeman , 1979
Buku Teks
Holloway, William Vernon, author
McGraw-Hill , 1951
Buku Teks
edited by Herbert L. Marx
H.W. Wilson, 1962
Buku Teks
Bingham, Richard D., author
McGraw-Hill, 1991
Buku Teks