“Iggy Azalea” (Enter "Iggy Azalea" into the "Search by Artist" parameter). Irish Recorded Music Association. 2014年7月17日閲覧。
musiccanada.com
“Gold/Platinum Database - Music Canada” (To access certifications, enter the artist/title or search by date of the item you are looking for into one of the search parameters.). Canadian Recording Industry Association (2014年8月26日). 2014年8月26日閲覧。
