A-Z of Tourism
Dutch etiquette tips.
http://www.a-zoftourism.com/travel-tip-797-c1-Dutch+Etiquette.htm

Executive Planet
A guide to business etiquette and culture in the Netherlands.
http://www.executiveplanet.com/business-etiquette/Netherlands.html

Global Sources
Covers everything from the Dutch work ethic to what to wear.
http://www.globalsources.com/TNTLIST/TRVGUIDE/NETHLAND/NET_BC.HTM

Oregon Economic and Community Development Department
A brief guide to Dutch business customs.
http://www.econ.state.or.us/oregontrade/netherlandsbt.htm

World Executive
Covers clothing, greetings, smoking, and business and banking hours.
http://www.worldexecutive.com/cityguides/amsterdam/business_tips.html