Philippine Council for Agriculture, Forestry and Natural Resources Research and Development (PCARRD), & Philippines. Department of Science and Technology. (2009). Agricultural mechanization in the Philippines. Philippine Council for Agriculture, Forestry and Natural Resources Research and Development (PCARRD), Department of Science and Technology (DOST).
Chicago-referens (17:e uppl.)Philippine Council for Agriculture, Forestry and Natural Resources Research and Development (PCARRD), och Philippines. Department of Science and Technology. Agricultural Mechanization in the Philippines. Los Baños, Laguna: Philippine Council for Agriculture, Forestry and Natural Resources Research and Development (PCARRD), Department of Science and Technology (DOST), 2009.
MLA-referens (9:e uppl.)Philippine Council for Agriculture, Forestry and Natural Resources Research and Development (PCARRD), och Philippines. Department of Science and Technology. Agricultural Mechanization in the Philippines. Philippine Council for Agriculture, Forestry and Natural Resources Research and Development (PCARRD), Department of Science and Technology (DOST), 2009.