http://www.cic.gc.ca/english/applications/guides/5552E2.html
http://www.umanitoba.ca/student/ics/post-arrival/visas.html#usa
http://www.international.uwaterloo.ca/iso/usvisa_app.htm
http://www.umanitoba.ca/student/ics/post-arrival/visas.html#usa
http://www.international.uwaterloo.ca/iso/usvisa_app.htm