"How to Connect in Business in 90 Seconds or Less" - Nicholas Boothman http://www.amazon.com/How-Connect-Business-Seconds-Less/dp/0761125957/ref=sr_1_1?s=books&ie=UTF8&qid=1293709920&sr=1-1 NL: "Eerste indruk in business" http://www.bol.com/nl/p/nederlandse-boeken/de-eerste-indruk-in-business/1001004001995620/index.html
Die hohe Kunst der Überzeuging" - Hans Christian Altmann http://www.amazon.com/hohe-Kunst-%C3%9Cberzeugung-Christian-Altmann/dp/347881216X/ref=sr_1_11?s=books&ie=UTF8&qid=1293711268&sr=1-11 NL: De kunst van het overtuigen http://www.bol.com/nl/p/nederlandse-boeken/de-kunst-van-het-overtuigen/666879194/index.html
http://www.humanmetrics.com/cgi-win/jtypes2.asp