Gaya APA
LEITMANN, J, L, P. (1992).
Enviromental management and urban development in the third World : .
Barkeley:
U.M.I.
Gaya MLA
LEITMANN, Josef, Llloyd,, Ph.D..
"Enviromental management and urban development in the third World :".
Barkeley:
U.M.I,
1992.
Buku.