syntaxe clé étrangère mysql

CREATE TABLE IF NOT EXISTS `contact` (
  `contactID` int(11) NOT NULL AUTO_INCREMENT,
  `contactNOM` varchar(255) NOT NULL,
  `contactPRENOM` varchar(255) NOT NULL,
  PRIMARY KEY (`contactID`),
  FOREIGN KEY ('adresseID') references 'adresse'('adresseID'),
  FOREIGN KEY ('telID') references 'tel'('telID'),
  FOREIGN KEY ('clientID') references 'client'('clientID'),
  FOREIGN KEY ('descriptionID') references 'description'('descriptionID')
) ENGINE=MyISAM  DEFAULT CHARSET=latin1 AUTO_INCREMENT=103 ;