Gaya APA
Thirlwall, C.G.. (1976).
Environmental Impact Analysis .
:
PTRC.
Gaya Chicago
Thirlwall, C.G..
Environmental Impact Analysis.
:
PTRC,
1976.
Computer Software.
Gaya MLA
Thirlwall, C.G..
Environmental Impact Analysis.
:
PTRC,
1976.
Computer Software.
Gaya Turabian
Thirlwall, C.G..
Environmental Impact Analysis.
:
PTRC,
1976.
Computer Software.