Geograf.

Local development in urban and rural space: project and planning / [Vol. ed. Michael Sofer, Anthony Sorensen, Konrad Czapiewski]. - Warszawa, 2015.

University of New England, 6.10.2015 (Tony Sorensen) https://www.une.edu.au/staff-profiles/bcss/asorense

ResearchGate, 6.10.2015 (Anthony Sorensen) http://www.researchgate.net/profile/Anthony_Sorensen