Samsiah Abdul Hamid, author
Cengage Learning, 2012
Buku Teks
Burton, Samuel Holroyd, author
Macmillan, 1992
Buku Teks
Gray, Loretta S., author
National Textbook Company, 1999
Buku Teks
Bennie, Michael, author
Glorier International, 1999
Buku Referensi
Othman bin Sulaiman
Pelanduk Publications, 1980
Buku Teks