Gaya APA
SPSS/ PC +: for the IBM PC/XT/AT. (1985).
Chicago:
SPSS Inc..
Gaya Chicago
SPSS/ PC +: for the IBM PC/XT/AT.
.
Chicago:
SPSS Inc.,
1985.
Buku.
Gaya MLA
SPSS/ PC +: for the IBM PC/XT/AT.
.
Chicago:
SPSS Inc.,
1985.
Buku.
Gaya Turabian
SPSS/ PC +: for the IBM PC/XT/AT.
Chicago:
SPSS Inc.,
1985.
Buku.