These guideleines are from the following site: http://medweb.uni-muenster.de/fachschaft/service/famul/letter_of_motivation.html It refers to medical clerkship / internship, but you can adapt it for you special purpose. GUIDELINES TO WRITE

2 How to write a motivation letter?! Writing the motivation letter is an important step in the application procedure - it is the basis on which the organising groups select their participants! There's no are perfect templates or instructions

How to write a "letter of motivation", you can also write a cover letter for employment. Make sure to include relevant details of job post that you are applying for. "Letter of motivation" seems to be a literal translation of the French