Dyfyniad APA

Pollock, P. H. I. (2014). An R companion to political analysis. SAGE/CQ Press.

Dyfyniad Arddull Chicago

Pollock, Philip H. III. An R Companion to Political Analysis. Los Angeles: SAGE/CQ Press, 2014.

Dyfyniad MLA

Pollock, Philip H. III. An R Companion to Political Analysis. SAGE/CQ Press, 2014.

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