Clarke, D., author
Wiley, 1978
Buku Teks
Hughes, Owen F
John Wiley & Sons, 1983
Buku Teks
Pregamon Press, 1985
Buku Teks
edited by E. Robert Becker, Carmo J. Pereira
Marcell Dekker, 1993
Buku Teks
edited by Joe Rooney and Philip Steadman
UCL Press, 1993
Buku Teks