"EXCLUSIVE: Julianne Hough Reveals Her Favorite Exercises for the Best Arms, Legs, Abs and Butt!". Interview with Lauren Zima and Zach Seemayer, www.etonline.com. June 21, 2016.
"'I'm no womaniser': Harry Styles talks about his sex life and getting tips from Fifty Shades of Grey" by James Robertson, www.mirror.co.uk. October 1, 2012.