Haywood, Roger, 1939-, author
McGraw-Hill , 1984
Buku Teks
Gerling, Heinrich, author
Wiley Eastern Limited, 1982
Buku Teks
Farrant, Natasha, author
Faber and Faber, 2015
Buku Teks
Schware, Robert
Dilithium Press, 1983
Buku Teks
Reay, Julia
London Pitman, C. 1988,
Buku Teks
Williams, Alan
McGraw-Hill, 1983
Buku Teks