Montgomery, Carla W., author
McGraw-Hill, 2003
Buku Teks
Rogers, John J.W., author
Harper & Row, 1966
Buku Teks
Longwell, Chester R., author
John Wiley & Sons, 1969
Buku Teks
Woodford, A.O., author
W.H. Freeman, 1965
Buku Teks
Gilluly, James, author
W.H. Freeman, 1968
Buku Teks