ALLEN, J. L. (1991). Student atlas of world politics. The Duskin Pub. Group.
芝加哥风格引文ALLEN, John L. Student Atlas of World Politics. Connecticut: The Duskin Pub. Group, 1991.
MLA引文ALLEN, John L. Student Atlas of World Politics. The Duskin Pub. Group, 1991.
警告：这些引文格式不一定是100％准确.