Megaw, Thomas M., author
John Wiley & Sons, 1982
Buku Teks
edited by Janne Carlsson, N.G. Ohlson
Pergamon Press, 1984
Buku Teks
edited, B.J. Whiting .. .[et al.]
Harcourt, Brace & World, 1942
Buku Teks
Thompson, F.G.
Longmans, Green and Co, Ltd., 1968
Buku Teks
Buku Teks