Roetter, C. (1963). The diplomatic art, an informal history of world diplomacy. Macrae Smith.
芝加哥风格引文Roetter, Charles. The Diplomatic Art, an Informal History of World Diplomacy. Philadelphia: Macrae Smith, 1963.
MLA引文Roetter, Charles. The Diplomatic Art, an Informal History of World Diplomacy. Macrae Smith, 1963.
警告：这些引文格式不一定是100％准确.