APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (8:e uppl.)

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