1. “International Energy Outlook 2017 ”U.S. Energy Information Administration 2017 accessed on 14 November 2017 www.eia.gov/oiaf/ieo/index.html.
2. “Country Analysis Brief: Canada ”U.S. Energy Information Administration 2015 accessed on 14 November 2017 https://www.eia.gov/beta/international/analysis.php?iso=CAN.