APA Style
Francis, G. (2004).
Introduction to SPSS for Windows version 12.0 & 11.0 with notes for Studdentware 4 Ed. (4).
China:
.
MLA Style
Francis, Glenda.
"Introduction to SPSS for Windows version 12.0 & 11.0 with notes for Studdentware 4 Ed.".
4
China:
,
2004.
Perpustakaan KALBIS.