Pollock, P. H. I. (2014). An R companion to political analysis. SAGE/CQ Press.
Citación estilo ChicagoPollock, Philip H. III. An R Companion to Political Analysis. Los Angeles: SAGE/CQ Press, 2014.
Cita MLAPollock, Philip H. III. An R Companion to Political Analysis. SAGE/CQ Press, 2014.
Warning: These citations may not always be 100% accurate.