Ashcroft, Neil W.
Saunders College, 1976
Buku Teks
Hall, Hennry Edgar
John Wiley & Sons, 1974
Buku Teks
Kazimi, S.M.A.
Tata McGraw-Hill, 1982
Buku Teks
Trefil, J.S.
Pergamon Press, 1975
Buku Teks
edited by M. Laznicka, M. Laznickz
Elsevier, 1982
Buku Teks