Berkowitz, E. D., & Santangelo, M. J. (1999). The Medical Follow-up Agency: The first fifty years, 1946-1996. National Academy Press.
Čikaški stil citiranja (17. izdanje)Berkowitz, Edward D., i Mark J. Santangelo. The Medical Follow-up Agency: The First Fifty Years, 1946-1996. Washington, D.C.: National Academy Press, 1999.
MLA način citiranja (9. izdanje)Berkowitz, Edward D., i Mark J. Santangelo. The Medical Follow-up Agency: The First Fifty Years, 1946-1996. National Academy Press, 1999.
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