Toy, S. (1966). A history of fortification from 3000 BC to AD 1700 (2nd ed.). Heinemann.
芝加哥风格引文Toy, Sidney. A History of Fortification from 3000 BC to AD 1700. 2nd ed. London: Heinemann, 1966.
MLA引文Toy, Sidney. A History of Fortification from 3000 BC to AD 1700. 2nd ed. Heinemann, 1966.
警告：这些引文格式不一定是100％准确.