Cita APA (7th ed.)

(1984). SPSS/PC for the IBM PC/XT. SPSS.

Cita Chicago (17th ed.)

SPSS/PC for the IBM PC/XT. Chicago, Ill: SPSS, 1984.

Cita MLA (9th ed.)

SPSS/PC for the IBM PC/XT. SPSS, 1984.