Obama, B. (2007). The audacity of hope: Thoughts on reclaiming the American dream. Canongate.
芝加哥风格引文Obama, Barack. The Audacity of Hope: Thoughts on Reclaiming the American Dream. Edinburg: Canongate, 2007.
MLA引文Obama, Barack. The Audacity of Hope: Thoughts on Reclaiming the American Dream. Canongate, 2007.
警告：这些引文格式不一定是100％准确.