Pol, L. G., & Thomas, R. K. (2020). The Demography of Health and Healthcare. Springer Netherlands.
Trích dẫn kiểu ChicagoPol, Louis G., và Richard K. Thomas. The Demography of Health and Healthcare. Springer Netherlands, 2020.
Deismireacht MLAPol, Louis G., và Richard K. Thomas. The Demography of Health and Healthcare. Springer Netherlands, 2020.
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