Standring, Catsadorakis, Emmanouil, et al, Prespa Walking Guide (2009)
[Bibliography]
Kevin Standring, Giorgos Catsadorakis, Nikolaos Emmanouil, et al, Prespa Walking Guide, (Society for the Protection of Prespa and the Aage V. Jensen Charity Foundations Prespa 2009)
The guidebook is available from the SPP offices for visitors in Prespa, and comes in a special wallet with 4 detailed maps of the area and trails. (From the site of the SPP)