Philippine Council for Agriculture, Forestry and Natural Resources Research and Development. Research Information Storage and Retrieval System Committee. (1989). RETRES technical abstracting manual. Philippine Council for Agriculture, Forestry and Natural Resources Research and Development.
Style de citation Chicago (17e éd.)Philippine Council for Agriculture, Forestry and Natural Resources Research and Development. Research Information Storage and Retrieval System Committee. RETRES Technical Abstracting Manual. Los Banos, Laguna: Philippine Council for Agriculture, Forestry and Natural Resources Research and Development, 1989.
Style de citation MLA (9e éd.)Philippine Council for Agriculture, Forestry and Natural Resources Research and Development. Research Information Storage and Retrieval System Committee. RETRES Technical Abstracting Manual. Philippine Council for Agriculture, Forestry and Natural Resources Research and Development, 1989.