Philippines. Department of Agriculture. (1990). The Philippine agricultural development plan, 1991-1995. Department of Agriculture.
Chicago-referens (17:e uppl.)Philippines. Department of Agriculture. The Philippine Agricultural Development Plan, 1991-1995. Quezon City: Department of Agriculture, 1990.
MLA-referens (9:e uppl.)Philippines. Department of Agriculture. The Philippine Agricultural Development Plan, 1991-1995. Department of Agriculture, 1990.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.