Yapp, W. B. (1972). Production, pollution, protection. Wykeham.
芝加哥风格引文Yapp, W. B. Production, Pollution, Protection. London: Wykeham, 1972.
MLA引文Yapp, W. B. Production, Pollution, Protection. Wykeham, 1972.
警告：这些引文格式不一定是100％准确.
APA引文