Manuel Gausa, Vicente Guallart, Willy Muller, Federico Soriano, Fernando Porras, Jose Morales
ACTAR, 2003
Buku Referensi
Attwood, Gaynor, author
McGraw-Hill, 1989
Buku Referensi
Meadows, A.J., author
Kogan Page, 1982
Buku Referensi
Longley, Dennis, author
Macmillan, 1982
Buku Referensi
edited by Christopher Morris
Academic Press, 1992
Buku Referensi