The UN policy on, and definition of, gender stereotyping.

https://www.ohchr.org/EN/Issues/Women/WRGS/Pages/GenderStereotypes.aspx

This a Guardian article about a recent case where an advertisement was banned for gender stereotyping.

https://www.theguardian.com/media/2019/aug/14/first-ads-banned-for-contravening-gender-stereotyping-rules

Criticism of the concept of gender stereotyping in Marketing Week.

https://www.marketingweek.com/asa-gender-stereotyping-rulings-gone-too-far/

Advertising Standards Authority reports on gender stereotyping.

https://www.asa.org.uk/genderresearch.html

The Council of Europe website on gender equality.

https://www.coe.int/en/web/genderequality