Παραπομπή APA

(1987). Environmental management for local and regional development. United Nations Centre for Regional Development.

Παραπομπή Chicago Style

Environmental Management for Local and Regional Development. United Nations Centre for Regional Development, 1987.

Παραπομπή MLA

Environmental Management for Local and Regional Development. United Nations Centre for Regional Development, 1987.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.