Cita APA (7th ed.)

SAS. (2018). SAS PROGRAMMING 2: DATA MANIPULATION TECHNIQUES. SAS INSTITUTE INC.

Cita Chicago (17th ed.)

SAS. SAS PROGRAMMING 2: DATA MANIPULATION TECHNIQUES. USA: SAS INSTITUTE INC, 2018.

Cita MLA (9th ed.)

SAS. SAS PROGRAMMING 2: DATA MANIPULATION TECHNIQUES. SAS INSTITUTE INC, 2018.