(en) Al Giordano, « Clinton's Mexican narco-pals ; The untold story behind February's Yucatán summit redefines the enemy in the war on drugs », The Boston Phoenix, (lire en ligne).
(en) Mark P. Sullivan et June S. Beittel, Mexico : U.S. Relations : Issues for Congress, Washington, Congresional Research Service, coll. « CRS Report for Congress », (lire en ligne) [PDF].