Margetts, B. M., & Nelson, M. P. (1998). Design concepts in nutritional epidemiology (2nd ed., repr.). Oxford University Press.
Cita Chicago Style (17a ed.)Margetts, Barrie M., y Mike P. Nelson. Design Concepts in Nutritional Epidemiology. 2nd ed., repr. Oxford [etc.]: Oxford University Press, 1998.
Cita MLA (9a ed.)Margetts, Barrie M., y Mike P. Nelson. Design Concepts in Nutritional Epidemiology. 2nd ed., repr. Oxford University Press, 1998.
Precaución: Estas citas no son 100% exactas.