International Association for Cold Regions Development Studies, ebrary, Inc, & Huntington, C. G. (2013). Planning for sustainable cold regions. American Society of Civil Engineers.
Παραπομπή σε μορφή Chicago (17η εκδ.)International Association for Cold Regions Development Studies, Inc ebrary, και Craig G. Huntington. Planning for Sustainable Cold Regions. Reston, Virginia: American Society of Civil Engineers, 2013.
Παραπομπή σε μορφή MLA (9th εκδ.)International Association for Cold Regions Development Studies, et al. Planning for Sustainable Cold Regions. American Society of Civil Engineers, 2013.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.