Harp, J., & Hofley, J. R. (1971). Poverty in Canada. Prentice-Hall of Canada.
芝加哥风格引文Harp, John, 与 John R. Hofley. Poverty in Canada. Scarborough, Ont: Prentice-Hall of Canada, 1971.
MLA引文Harp, John, 与 John R. Hofley. Poverty in Canada. Prentice-Hall of Canada, 1971.
警告：这些引文格式不一定是100％准确.