Philippines. National Economomic and Development Authority. Project Development Assistnce Center. (2000). Project development manual. The Center.
Chicago-referens (17:e uppl.)Philippines. National Economomic and Development Authority. Project Development Assistnce Center. Project Development Manual. Cagayan de Oro City: The Center, 2000.
MLA-referens (9:e uppl.)Philippines. National Economomic and Development Authority. Project Development Assistnce Center. Project Development Manual. The Center, 2000.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.