By Van Emden, Helmut F..
London : E.Arnold, 1989 0-7131-2982-4

By Jackson, Richard M..
London : E.Arnold, 1984

By Etherington, John R..
London : E.Arnold, 1983 0-7131-2690-6

By Birch, M. C..
London : E. Arnold, 1982 0-7131-2852-6

By Kendrick, Richard E..
London : E. Arnold, 1983 0-7131-2870-4

By Parker, R. E..
London : E.Arnold, 1983 0-7131-2729-5

By Solomon, Maurice E..
London : E. Arnold, 1976 , Reimpresión 1985. 0-7131-2531-4