Bolton, J. R. (2010). How Barack Obama is endangering our national sovereignty. Encounter Books.
芝加哥风格引文Bolton, John R. How Barack Obama Is Endangering Our National Sovereignty. New York: Encounter Books, 2010.
MLA引文Bolton, John R. How Barack Obama Is Endangering Our National Sovereignty. Encounter Books, 2010.
警告：这些引文格式不一定是100％准确.