Greenland, S., & Robins, J. M. (2009). Identifiability, exchangeability and confounding revisited. BioMed Central.
Citación estilo ChicagoGreenland, Sander, y James M. Robins. Identifiability, Exchangeability and Confounding Revisited. BioMed Central, 2009.
Cita MLAGreenland, Sander, y James M. Robins. Identifiability, Exchangeability and Confounding Revisited. BioMed Central, 2009.
Precaución: Estas citas no son 100% exactas.