Margetts, B. M., & Nelson, M. (1997). Design concepts in nutritional epidemiology (2nd ed.). Oxford University Press.
Citación estilo ChicagoMargetts, Barrie M., and Michael Nelson. Design Concepts in Nutritional Epidemiology. 2nd ed. Oxford, Eng.: Oxford University Press, 1997.
Cita MLAMargetts, Barrie M., and Michael Nelson. Design Concepts in Nutritional Epidemiology. 2nd ed. Oxford University Press, 1997.
Warning: These citations may not always be 100% accurate.