(en) Christina M. Hawkins, A Compilation and Analysis of the Origins of the Foxtrot in White Mainstream America (thèse de Master en Arts), Brigham Young University Department of Dance, (lire en ligne), p. 18
(en) NDCA Rules & Regulations, NDCA, (lire en ligne [PDF]), Section IX.B.4.a.3, p. 36
(en) NDCA Approved Figures, Elements, and Restrictions, National Dance Council of America, (lire en ligne), « American Style Foxtrot – Silver Level »
(en) NDCA Approved Figures, Elements, and Restrictions [« Figures approuvées par la NDCA, éléments et restrictions »], National Dance Council of America, (lire en ligne [archive du ])
rockabillyhall.com
(en) Alex Frazer-Harrison, « 'Rock Around the Clock' Tribute », Rockabilly Hall of Fame, (consulté le ) : « For many years, the Guinness Book of World Records listed Haley's version as the top-selling pop record of all time with 25 million copies sold -- a record that stood until 1997 and which technically remains intact as Elton John's "Candle in the Wind" tribute to Princess Diana was issued a CD-single, not a vinyl 45. »
(en) USA Dance Syllabus Guidebook [« Guide du programme USA Dance »], USA Dance, Inc., (lire en ligne), « 1.3 American Style Foxtrot », p. 7
web.archive.org
(en) NDCA Approved Figures, Elements, and Restrictions [« Figures approuvées par la NDCA, éléments et restrictions »], National Dance Council of America, (lire en ligne [archive du ])
worlddancesport.org
(en) WDSF Competition Rules, WDSF, (lire en ligne [PDF]), Section E.3.2, p. 28