Mountford, A. (1977). English in focus English in Agriculture. Oxford: Oxford University Press.
Trích dẫn kiểu ChicagoMountford, Alan. English in Focus English in Agriculture. Oxford: Oxford University Press, 1977.
MLA引文Mountford, Alan. English in Focus English in Agriculture. Oxford: Oxford University Press, 1977.
警告：这些引文格式不一定是100％准确.