APA-ийн эшлэл(7 дахь хэвлэлт)
Schafer, J. A., Jr. (2014). The business of private medical practice: Doctors, specialization, and urban change in Philadelphia, 1900-1940. Rutgers University Press.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)
Schafer, James A., Jr. The Business of Private Medical Practice: Doctors, Specialization, and Urban Change in Philadelphia, 1900-1940. New Brunswick, New Jersey ; London: Rutgers University Press, 2014.
MLA -ийн эшлэл (9 дэх хэвлэлт)
Schafer, James A., Jr. The Business of Private Medical Practice: Doctors, Specialization, and Urban Change in Philadelphia, 1900-1940. Rutgers University Press, 2014.
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