Gaya APA
Priyatno, D.
(2014).
SPSS 22 : Pengolahan Data Terpraktis
.
Philadelphia:
American Nurses Association.
Gaya MLA
Priyatno, Duwi.
"SPSS 22 : Pengolahan Data Terpraktis".
Philadelphia:
American Nurses Association,
2014.
Text.