Besides just encouraging non-binary people to apply for their jobs, here are ways workplaces can be truly inclusive of non-binary staff.
Empowering women at work
Gender Ambiguity in the Workplace: Transgender and Gender- Diverse Discrimination: 9781440863226: Ph.D., Alison Ash Fogarty, Zheng, Lily: Books
Workplace Diversity: Managing Without Gender Stereotypes
News: What is working to drive gender diversity at the workplace? — People Matters
The State of Diversity in Today's Workforce - Center for American
A Short Guide to Gender Equality in the Workplace
Women Leaders and Gender Diversity in the Workplace
5 Ways Gender Diversity Improves Your Workplace
Gender Diversity Training in the Workplace for Employees
Workplace gender equality policies: policy content yet to catch up with commitment to equality – Global Health 50/50
Gender diversity in the workplace: 5 whys and 5 hows - Insperity
Workplace gender equality policies: policy content yet to catch up with commitment to equality – Global Health 50/50
5 Ways Gender Diversity Improves Your Workplace