Foster, Gerard N., author
Macmillan, 1994
Buku Teks
Mano, M. Morris, 1927-, author
Prentice-Hall, 1986
Buku Teks
Holdsworth, Brian, author
Butterworths, 1982
Buku Teks
Holdsworth, Brian, author
Butterworths, 1988
Buku Teks
Lee, Samuel C., author
Prentice-Hall India, 1981
Buku Teks