Klaveness, Jan O`Donnell, author
Macmillan, 1983
Buku Teks
Griffin, Ricky W., author
Houghton Miffiln, 1990
Buku Teks
Johnson, Carol, author
Allen and Unwin, 1989
Buku Teks
Zainah Anwar, author
Yayasan Mohamed Noah; Petaling Jaya, Selangor, Malaysia , 2011
Buku Referensi
Griffin & George, 1968
Buku Teks