Retrieved on October 19, 2016 at 8:15:15 PM CT
Appendices: The Poll's Transparency Initiative Details, Sampling Errors and the Survey Instrument
Url: http://mediad.publicbroadcasting.net/p/vpr/files/vpr-poll-201610-Appendix-A-updated.pdf
Retrieved on October 19, 2016 at 8:15:15 PM CT
Url: http://mediad.publicbroadcasting.net/p/vpr/files/vpr-poll-201610-Appendix-A-updated.pdf