APA (7th ed.) Zitazioa

(1980). Manual de operación SPSS: Statistical Package for the Social Sciences. s,n.

Chicago Style (17th ed.) Zitazioa

Manual De Operación SPSS: Statistical Package for the Social Sciences. s.l: s,n, 1980.

MLA (9th ed.) Zitazioa

Manual De Operación SPSS: Statistical Package for the Social Sciences. s,n, 1980.