(1976). The Acropolis: Problems, measurements, studies, measures to be taken. Athens: [s.n.].
Παραπομπή Chicago StyleThe Acropolis: Problems, Measurements, Studies, Measures to Be Taken. Athens: [s.n.], 1976.
Παραπομπή MLAThe Acropolis: Problems, Measurements, Studies, Measures to Be Taken. Athens: [s.n.], 1976.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.