APA-referens

Panko, P., Curtis, J., Gorrall, B., & Little, T. (2015). Alternatives to Randomized Control Trials: A Review of Three Quasi-experimental Designs for Causal Inference.

Chicago-stil citat

Panko, Pavel, Jacob Curtis, Brittany Gorrall, och Todd Little. Alternatives to Randomized Control Trials: A Review of Three Quasi-experimental Designs for Causal Inference. 2015.

MLA-referens

Panko, Pavel, Jacob Curtis, Brittany Gorrall, och Todd Little. Alternatives to Randomized Control Trials: A Review of Three Quasi-experimental Designs for Causal Inference. 2015.

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