Gaya APA
Butterfield, R.. (1981).
Saving Cities and Old Buildings-General Report (Session 9) .
:
s.n..
Gaya Chicago
Butterfield, R..
Saving Cities and Old Buildings-General Report (Session 9).
:
s.n.,
1981.
Text.
Gaya MLA
Butterfield, R..
Saving Cities and Old Buildings-General Report (Session 9).
:
s.n.,
1981.
Text.
Gaya Turabian
Butterfield, R..
Saving Cities and Old Buildings-General Report (Session 9).
:
s.n.,
1981.
Print.