Philippines. National Economic and Development Authority. (2000). Project development and evaluation manual. National Economic and Development Authority.
Chicago-viite (17. p.)Philippines. National Economic and Development Authority. Project Development and Evaluation Manual. Pasig City: National Economic and Development Authority, 2000.
MLA-viite (9. p.)Philippines. National Economic and Development Authority. Project Development and Evaluation Manual. National Economic and Development Authority, 2000.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.