Emily Post was an American famous for writing about etiquette. The information on this website is pretty acurate.
http://www.emilypost.com/out-and-about/tipping/89-general-tipping-guidelines
Emily Post was an American famous for writing about etiquette. The information on this website is pretty acurate.
http://www.emilypost.com/out-and-about/tipping/89-general-tipping-guidelines