Παραπομπή APA

(1996). The Athens metropolitan region: Planning towards sustainability. Athens : Organisation for Planning and Environmental Protection of Athens.

Παραπομπή Chicago Style

The Athens Metropolitan Region: Planning Towards Sustainability. Athens : Organisation for Planning and Environmental Protection of Athens, 1996.

Παραπομπή MLA

The Athens Metropolitan Region: Planning Towards Sustainability. Athens : Organisation for Planning and Environmental Protection of Athens, 1996.

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