Gaya APA
Ayres, W, S. et al (1998).
Setting priorities for environmental management : an application to the mining sector in Bolivia .
Washington:
The world bank.
Gaya MLA
Ayres, Wendy, S. et al.
"Setting priorities for environmental management : an application to the mining sector in Bolivia".
Washington:
The world bank,
1998.
Buku Tercetak.