Cita APA (7th ed.)

Guo, S., & Fraser, M. W. (2015). Propensity score analysis: Statistical methods and applications (Second edition.). SAGE.

Cita Chicago (17th ed.)

Guo, Shenyang, i Mark W. Fraser. Propensity Score Analysis: Statistical Methods and Applications. Second edition. Los Angeles: SAGE, 2015.

Cita MLA (9th ed.)

Guo, Shenyang, i Mark W. Fraser. Propensity Score Analysis: Statistical Methods and Applications. Second edition. SAGE, 2015.