[1] European Commission: Models of Horizon Scanning. Brussels: European Commission, 2015, s. 4. Viz také Effie Amanatidou et al.: On Concepts and Methods in Horizon Scanning. Science and Public Policy, Vol. 39, 2012, No. 2, s. 208–221.
[2] Institute of Risk Management: Horizon Scanning: A Practitioner’s Guide,
https://www.theirm.org/media/7423/horizon-scanning_final2-1.pdf.
[3] Kerstin Cuhls: Horizon Scanning in Foresight. Futures and Foresight Science, Vol. 2 (2020), No. 1.