Lichtenthaler, G. (2003). Poliical ecology and the role of water: Environment, society and economy in Northern Yemen. Aldershot: Ashgate.
Παραπομπή Chicago StyleLichtenthaler, Gerhard. Poliical Ecology and the Role of Water: Environment, Society and Economy in Northern Yemen. Aldershot: Ashgate, 2003.
Παραπομπή MLALichtenthaler, Gerhard. Poliical Ecology and the Role of Water: Environment, Society and Economy in Northern Yemen. Aldershot: Ashgate, 2003.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.