Cita APA (7th ed.)

Littell,Ranon C. (2006). SAS for Mixed Models (2nd.). SAS.

Cita Chicago (17th ed.)

Littell,Ranon C. SAS for Mixed Models. 2nd. USA: SAS, 2006.

Cita MLA (9th ed.)

Littell,Ranon C. SAS for Mixed Models. 2nd. SAS, 2006.