奥巴马 & 罗格克. (2008). 奥巴马语录: Barack Obama in his own words. 国际文化出版公司.
Chicago Style (17th ed.) Citation奥巴马 and 罗格克. 奥巴马语录: Barack Obama in His Own Words. 国际文化出版公司, 2008.
MLA (8th ed.) Citation奥巴马 and 罗格克. 奥巴马语录: Barack Obama in His Own Words. 国际文化出版公司, 2008.
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