APA aipamena

Pollock, P. H. (2009). An SPSS companion to political anlysis (3rd ed.). CQ Press.

Chicago Style aipamena

Pollock, Philip H. An SPSS Companion to Political Anlysis. 3rd ed. Washington: CQ Press, 2009.

MLA aipamena

Pollock, Philip H. An SPSS Companion to Political Anlysis. 3rd ed. CQ Press, 2009.