• http://www.parents.com/kids/responsibility/manners/


• http://www.forbes.com/sites/robasghar/2014/04/22/27-etiquette-rules-for-our-times/#632ad59c61dc


• http://www.independent.co.uk/voices/commentators/the-invisible-art-of-etiquette-having-good-manners-delivers-all-sorts-of-unexpected-gains-9739132.html