APA-viite

VanderWeele, T. J., & Robins, J. M. (2010). Signed directed acyclic graphs for causal inference. J R Stat Soc Series B Stat Methodol.

Chicago-tyylinen lähdeviittaus

VanderWeele, Tyler J., ja James M. Robins. "Signed Directed Acyclic Graphs for Causal Inference." J R Stat Soc Series B Stat Methodol 2010.

MLA-viite

VanderWeele, Tyler J., ja James M. Robins. "Signed Directed Acyclic Graphs for Causal Inference." J R Stat Soc Series B Stat Methodol 2010.

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