What to put in a resume for first job?

I'm applying for my first job (I'm 16) in retail. I'm applying for a position at Barnes and Nobles right now but plan on applying to other stores and have no idea what to put in my resume. I don't have any previous experience, also I don't know what to write in the skills section or how to make it sound professional.
Thanks
Added (1). I also fluently speak another language, should I add that?
Added (2). I also fluently speak another language, should I add that?

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