Wyon, J. B., & Gordon, J. E. (1971). The Khanna study: Population problems in the rural Punjab. Harvard University Press.
芝加哥风格引文Wyon, J. B., 与 John Everett Gordon. The Khanna Study: Population Problems in the Rural Punjab. Cambridge, Mass.: Harvard University Press, 1971.
MLA引文Wyon, J. B., 与 John Everett Gordon. The Khanna Study: Population Problems in the Rural Punjab. Harvard University Press, 1971.
警告：这些引文格式不一定是100％准确.