„folk music”. The American Heritage Dictionary of the English Language, Third Edition, by Houghton Mifflin Company, 2009. Dictionary.com, LLC. Pristupljeno 14. 3. 2010.(језик: енглески)
„folk music”. Based on the Random House Dictionary, Random House, Inc. 2010. Dictionary.com, LLC. Pristupljeno 14. 3. 2010.
„folk music”. The American Heritage Dictionary of the English Language, Fourth Edition, by Houghton Mifflin Company, 2009. Dictionary.com, LLC. Pristupljeno 14. 3. 2010.
