Sample cover letter

For a recruiter position 
http://www.higheredjobs.com/popup/CoverLetterSample2.cfm

For a writer position
http://jobsearch.about.com/od/coverlettersamples/a/samplewriter.htm

For a marketing position
http://jobsearch.about.com/od/resumesandcoverletters/a/covermarketing.htm
http://career-advice.monster.com/resumes-cover-letters/cover-letter-samples/sample-cover-letter-marketing-manager/article.aspx

Modele de lettre de motivation pour un poste de recruteur
http://lettre-de-motivation.modele-cv-lettre.com/lettre-motivation-annonce-charge-recrutement.php