Gaya APA

Harrell, F, E, J. (2015). Regression Modeling Strategies : With Applications to Linear Models, Logistic and Ordinal Regression, and Survival Analysis (2nd ed). Switzerland: Springer International Publishing.

Gaya MLA

Harrell, Frank, E,, Jr.. "Regression Modeling Strategies : With Applications to Linear Models, Logistic and Ordinal Regression, and Survival Analysis". 2nd ed Switzerland: Springer International Publishing, 2015. MP.