Columbia subject headings:
City planning--Italy--Quartu Sant'Elena.
Landscape design--Italy--Quartu Sant'Elena.
Quartu Sant'Elena.
Harvard subject headings:
City planning--Italy--Quartu Sant'Elena.
Landscape design--Italy--Quartu Sant'Elena.
Quartu Sant'Elena.
Princeton subject headings:
City planning--Italy--Quartu Sant'Elena.
Landscape design--Italy--Quartu Sant'Elena.
Quartu Sant'Elena.