Boothroyd Jennifer. (2007). Pull Ahead Biographies Books Nelson Mandela. Lerner.
芝加哥风格引文Boothroyd Jennifer. Pull Ahead Biographies Books Nelson Mandela. UK: Lerner, 2007.
MLA引文Boothroyd Jennifer. Pull Ahead Biographies Books Nelson Mandela. Lerner, 2007.
警告：这些引文格式不一定是100％准确.