Dyfyniad APA

Pollock, P. H. I., & Edwards, B. C. (2023). An R companion to political analysis (Third edition.). Sage CQ Press.

Dyfyniad Arddull Chicago

Pollock, Philip H. III, and Barry C. Edwards. An R Companion to Political Analysis. Third edition. Thousand Oaks, California: Sage CQ Press, 2023.

Dyfyniad MLA

Pollock, Philip H. III, and Barry C. Edwards. An R Companion to Political Analysis. Third edition. Sage CQ Press, 2023.

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