"It was kind of back-to-back filming Birds... and filming this, so I was kind of like, oof, I need a break from Harley because she's exhausting." Interview with Entertainment Weekly, 12 July 2021.

Margot Robbie interview about The Suicide Squad with Total Film, 21 APR 2021.

Details on an animated film with Batman (Kevin Conroy), Nightwing (Loren Lester) and Harley Quinn (Melissa Rauch). da Steve Seigh for JoBlo, 3 Apr 2017.

Yahoo! Movies, with the help of Harley Quinn creator Paul Dini, recounts the evolution of Harley as a DC universe character!

The project is not a Quinn solo movie. Rather, it would focus on several of DC’s female Heroes and villains, with names such as Batgirl and Birds of Prey surfacing. articolo da Borys Kit for The Hollywood Reporter, 16 May 2016.

Opinion piece on the sexualising of Harley Quinn in 'Suicide Squad' (2016).