(1991). Environmental planning and management and the project cycle. Asian Development Bank.
Chicago-viite (17. p.)Environmental Planning and Management and the Project Cycle. [Manila]: Asian Development Bank, 1991.
MLA-viite (9. p.)Environmental Planning and Management and the Project Cycle. Asian Development Bank, 1991.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.