Kolman, Bernard, 1932-, author
Macmillan, 1976
Buku Teks
Lawson, Terry, author
John Wiley & Sons, 1996
Buku Teks
Damiana Iki...[et al.]; Editor: Darmadi Kusno
Intan Pariwara, 1992
Buku Teks
Campbell, Hugh G., author
Prentice-Hall, 1980
Buku Teks
Ganeca student book, 1981
Buku Teks