CANADA
The Resource Centre
PO Box 190
Waterloo
Ontario N2J 3Z9
Tel: +1 (0)519 885 0826
Fax: +1 (0)519 747 5629
E-mail: resourcecentre@sympatico.ca

MEXICO
Editorial Macmillan de Mexico, S.A. de C.V.
Av. Prol. San Antonio 170
Col. Carola
01180 México
Tel: +52 55 5482 2200
Fax: +52 55 5482 2203
E-mail: elt@macmillan.com.mx

USA
Delta Systems Co. Inc.
1400 Miller Parkway
Mc Henry
IL 60050-7030
Tel: +1 (0)815 363 3582
Fax: +1 (0)815 363 2948
www.delta-systems.com