O`Callaghan, Paul W.
Pergamon Press , 1978
Buku Teks
Pergamon Press, 1979
Buku Teks
edited by Donald Watson
McGraw-Hill , 1979
Buku Teks
Dubin, Fred S., author
McGraw-Hill, 1978
Buku Teks
Asean -Ec Energy Management Training and Research Centre, 1997,
Buku Referensi