Gaya APA
LANDSBERG,Hans H.. (1963).
Resources In America's Future .
London:
Resources For The Future Inc.
Gaya Chicago
LANDSBERG,Hans H..
Resources In America's Future.
London:
Resources For The Future Inc,
1963.
Teks.
Gaya MLA
LANDSBERG,Hans H..
Resources In America's Future.
London:
Resources For The Future Inc,
1963.
Teks.
Gaya Turabian
LANDSBERG,Hans H..
Resources In America's Future.
London:
Resources For The Future Inc,
1963.
Teks.