APA (7 वां संस्करण) प्रशस्ति पत्र
Meckel, R. A. (2013). Classrooms and clinics: Urban schools and the protection and promotion of child health, 1870-1930. Rutgers University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Meckel, Richard A. Classrooms and Clinics: Urban Schools and the Protection and Promotion of Child Health, 1870-1930. New Brunswick, New Jersey: Rutgers University Press, 2013.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Meckel, Richard A. Classrooms and Clinics: Urban Schools and the Protection and Promotion of Child Health, 1870-1930. Rutgers University Press, 2013.
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