Doelle, Leslie L., author
Erlangga, 1990
Buku Teks
Hall, Donald
John Wiley & Sons, 1987
Buku Teks
Parkin, P. H.
Faber and Faber, 1969
Buku Teks
Smith, B.J., author
Longman, 1971
Buku Teks
by Lawrence E. Kinsler [and others]
John Wiley & Sons, 1982
Buku Teks