Cita APA (7th ed.)
(1985). SPSS Graphics. McGraw-Hill; Chicago: SPSS Inc.
Cita Chicago (17th ed.)
SPSS Graphics. New York [usw.]: McGraw-Hill; Chicago: SPSS Inc, 1985.
Cita MLA (9th ed.)
SPSS Graphics. McGraw-Hill; Chicago: SPSS Inc, 1985.
Atenció: Aquestes cites poden no estar 100% correctes.