Spencer, D. (2019). Royal and urban gunpowder weapons in late medieval England. Boydell & Brewer Ltd.
芝加哥风格引文Spencer, Dan. Royal and Urban Gunpowder Weapons in Late Medieval England. Woodbridge: Boydell & Brewer Ltd, 2019.
MLA引文Spencer, Dan. Royal and Urban Gunpowder Weapons in Late Medieval England. Boydell & Brewer Ltd, 2019.
警告：这些引文格式不一定是100％准确.