Philippines. Ecosystems Research and Development Bureau. (1989). Integrated research and development plans and programs of the Department of Environment and Natural Resources, 1989-1993. Department of Environment and Natural Resources, Ecosystems Research and Development Bureau.
Chicago Style (17th ed.) CitationPhilippines. Ecosystems Research and Development Bureau. Integrated Research and Development Plans and Programs of the Department of Environment and Natural Resources, 1989-1993. College, Laguna: Department of Environment and Natural Resources, Ecosystems Research and Development Bureau, 1989.
MLA (9th ed.) CitationPhilippines. Ecosystems Research and Development Bureau. Integrated Research and Development Plans and Programs of the Department of Environment and Natural Resources, 1989-1993. Department of Environment and Natural Resources, Ecosystems Research and Development Bureau, 1989.