Margetts, B. M., & Nelson, M. (1991). Design concepts in nutritional epidemiology. Oxford University Press.
Citación estilo ChicagoMargetts, Barrie M., and Michael Nelson. Design Concepts in Nutritional Epidemiology. Oxford, Eng.: Oxford University Press, 1991.
Cita MLAMargetts, Barrie M., and Michael Nelson. Design Concepts in Nutritional Epidemiology. Oxford University Press, 1991.
Warning: These citations may not always be 100% accurate.