Ostry, S. (1968). Unemployment in Canada. Dominion Bureau of Statistics.
芝加哥风格引文Ostry, Sylvia. Unemployment in Canada. Ottawa: Dominion Bureau of Statistics, 1968.
MLA引文Ostry, Sylvia. Unemployment in Canada. Dominion Bureau of Statistics, 1968.
警告：这些引文格式不一定是100％准确.