Opie, R. (2000). The 1910s scrapbook: The decade of the Great War. New Cavendish Books.
芝加哥风格引文Opie, Robert. The 1910s Scrapbook: The Decade of the Great War. London: New Cavendish Books, 2000.
MLA引文Opie, Robert. The 1910s Scrapbook: The Decade of the Great War. New Cavendish Books, 2000.
警告：这些引文格式不一定是100％准确.