General PWC and safety information obtained from:

• How Stuff Works http://www.howstuffworks.com/
• California State Sheriff's Association http://www.dbw.ca.gov/
• Dale's Jet Sports http://www.pcihealth.net/
• Wikipeida: www.wikipedia.com
• Boat Safe http://www.boatsafe.com/
• Associated Content http://www.associatedcontent.com/

Some PWC images supplied by:

• Hashim Pudiyapura
• G Scalado
• Adam-Tinwo