Toy, S. (1966). A history of fortification from 3000 BC to AD 1700 (2nd ed.). Heinemann.
Citación estilo ChicagoToy, Sidney. A History of Fortification from 3000 BC to AD 1700. 2nd ed. London: Heinemann, 1966.
Cita MLAToy, Sidney. A History of Fortification from 3000 BC to AD 1700. 2nd ed. Heinemann, 1966.
Warning: These citations may not always be 100% accurate.