Citazione Stile APA (7a Edizione)

Freund, R. J., & Littell, R. C. (1981). SAS for linear models: A guide to the ANOVA and GLM procedures. SAS Institute.

Citazione stile Chigago Style (17a edizione)

Freund, Rudolf Jacob, e Ramon C. Littell. SAS for Linear Models: A Guide to the ANOVA and GLM Procedures. Cary, N.C: SAS Institute, 1981.

Citatione MLA (9a ed.)

Freund, Rudolf Jacob, e Ramon C. Littell. SAS for Linear Models: A Guide to the ANOVA and GLM Procedures. SAS Institute, 1981.