Elfring, T. (1988). Service sector employment in advanced economies: A comparative analysis of its implications for economic growth. Avebury.
Chicago-referens (17:e uppl.)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-referens (8:e uppl.)Elfring, Tom. Service Sector Employment in Advanced Economies: A Comparative Analysis of Its Implications for Economic Growth. Avebury, 1988.
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