(EN) Kenny Marchant, Congratulating Rex Tillerson on his induction into the National Academy of Engineering, su congress.gov, Congresso degli Stati Uniti d'America, 3 ottobre 2013. URL consultato il 2 agosto 2017.
«Tillerson worked his way up the ranks of Exxon--becoming President of Exxon Yemen Inc. and Esso Exploration [...] in 1995»
