Thompson, F.G.
Longman Scientific & Technical, 1992
Buku Teks
Jenkins, Brian D. (Brian David), author
Blackwell Scientific Publications, 1991
Buku Teks
Thompson, F.G.
Longmans, Green and Co, Ltd., 1968
Buku Teks
Thompson, F.G.
Longman Scientific and Technical, 1992
Buku Teks
Voisinet, Donald D., author
Prentice-Hall, 1983
Buku Teks