Bekke, H. A. G. M., Perry, J. L., & Toonen, T. A. J. (1996). Civil service systems in comparative perspective. Indiana University Press.
Lua i Stíl Chicago (17ú heag.)Bekke, H. A. G. M., James L. Perry, agus Theo A. J. Toonen. Civil Service Systems in Comparative Perspective. Bloomington: Indiana University Press, 1996.
Lua MLA (9ú heag.)Bekke, H. A. G. M., et al. Civil Service Systems in Comparative Perspective. Indiana University Press, 1996.
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