Field, A. (2010). Discovering Statistics Using SAS (7th.). Pearson Education.
Cita Chicago (17th ed.)Field, Andy. Discovering Statistics Using SAS. 7th. New Delhi: Pearson Education, 2010.
Cita MLA (9th ed.)Field, Andy. Discovering Statistics Using SAS. 7th. Pearson Education, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.