Swift, Glenn R. (December 2008). "On Stage: Roger McGuinn"(PDF). PBG Lifestyle Magazine. Archived from the original(PDF) on August 17, 2011. Retrieved August 6, 2011.
Swift, Glenn R. (December 2008). "On Stage: Roger McGuinn"(PDF). PBG Lifestyle Magazine. Archived from the original(PDF) on August 17, 2011. Retrieved August 6, 2011.