Gaya APA
COMMONER,Barry. (1971).
The Closing Circle .
New York:
A.Knopt Inc.
Gaya Chicago
COMMONER,Barry.
The Closing Circle.
New York:
A.Knopt Inc,
1971.
Teks.
Gaya MLA
COMMONER,Barry.
The Closing Circle.
New York:
A.Knopt Inc,
1971.
Teks.
Gaya Turabian
COMMONER,Barry.
The Closing Circle.
New York:
A.Knopt Inc,
1971.
Teks.