Gaya APA

EBOOK : SPSS Demystified : A Step-by-Step Guide to Successful Data Analysis For SPSS Version 18.0, 2nd Edition. (2011). New York: Routledge.

Gaya MLA

EBOOK : SPSS Demystified : A Step-by-Step Guide to Successful Data Analysis For SPSS Version 18.0, 2nd Edition. 2. New York: Routledge, 2011. Text.