Thompson, F.G.
Longman Scientific & Technical, 1992
Buku Teks
Thompson, F.G.
Longman Scientific and Technical, 1992
Buku Teks SO
Lewis, Maurice
Stanley Thornes Publishers, 1993
Buku Teks
Miller, Henry Arthur
Blackwell, 1994
Buku Teks
Francis, Thomas George
ELBS, 1992
Buku Teks SO