Rudden, M.N., author
John Wiley & Sons, 1980
Buku Teks
Ashcroft, Neil W., author
Saunders College, 1976
Buku Teks
Hall, Hennry Edgar, author
John Wiley & Sons, 1974
Buku Teks
Kazimi, S.M.A., author
Tata McGraw-Hill, 1982
Buku Teks
Trefil, J.S., author
Pergamon Press, 1975
Buku Teks