Warren, K. (1970). The British iron & steel sheet industry since 1840: An economic geography. Bell.
芝加哥风格引文Warren, Kenneth. The British Iron & Steel Sheet Industry Since 1840: An Economic Geography. London: Bell, 1970.
MLA引文Warren, Kenneth. The British Iron & Steel Sheet Industry Since 1840: An Economic Geography. Bell, 1970.
警告：这些引文格式不一定是100％准确.