Complaint Letters & Business Letters

http://www.consumeraction.gov/caw_problems_sample_complaint.shtml

http://www.pissedconsumer.com/consumer-resources/complaint-letter-sample.html

http://www.unc.edu/depts/wcweb/handouts/business.html

http://esl.about.com/cs/onthejobenglish/a/a_basbletter.htm