(2020, 01. October). ESSMA Case study: How do the fans return to sports grounds? Zugriff unter https://essma.eu/storage/app/media/Condensed%20ESSMA%20case%20study_compressed.pdf
APA (7th ed.) Citation(2020). ESSMA Case study: How do the fans return to sports grounds? European Stadium & Safety Management Association.
Chicago Style (17th ed.) CitationESSMA Case Study: How Do the Fans Return to Sports Grounds? European Stadium & Safety Management Association, 2020.
MLA (9th ed.) CitationESSMA Case Study: How Do the Fans Return to Sports Grounds? European Stadium & Safety Management Association, 2020.
Warning: These citations may not always be 100% accurate.