1. Espeland P. & Verdick E. (2007). Dude, That's Rude: get some manners, Free Spirit Publishing.
2. Iucu O. &Platis M. (2012). Deontology and Protocol in Public Administration, Applications for the public officer's training, World Congress on Administrative and Political Sciences, Turkey.
3. Post Senning Cindy, Post Peggy, Emily Post's The guide of good manners for kids, Harper Collins.
4. Post Senning Cindy, Post Peggy (2004). Emily Post's Table manners for kids, Harper Collins, 2009.
5. Post E. & Post P. (1997). The etiquette advantage in bussiness: personal skills for professional succes (2d edition). Harpers Collins Publishers.