Elfring, T. (1988). Service sector employment in advanced economies: A comparative analysis of its implications for economic growth. Avebury.
芝加哥风格引文Elfring, Tom. Service Sector Employment in Advanced Economies: A Comparative Analysis of Its Implications for Economic Growth. Aldershot, Hants, England ; Brookfield, Vt., USA: Avebury, 1988.
MLA引文Elfring, Tom. Service Sector Employment in Advanced Economies: A Comparative Analysis of Its Implications for Economic Growth. Avebury, 1988.
警告：这些引文格式不一定是100％准确.