ISBN 91-44-04238-8 (瑞典语) Fant, G., Feature analysis of Swedish vowels - a revisit, Speech, Music and Hearing Quarterly Progress and Status Report, 1983
of August 2019 Worldwide sales for Folklore as of March 2021 US sales for Folklore as of October 2021 Canadian sales for Folklore as of January 2021 US
Official NZ Music Charts. Recorded Music NZ. [2014-06-29]. (原始内容存档于2016-03-05). Årslista Singlar – År 2012. Sverigetopplistan. Swedish Recording Industry