The National Rubber Publication Committe. (2011). The Philippines recommends for rubber (Fourth edition.). Philippine Council for Agriculture, Forestry and Natural Resources Research and Development.
Cita Chicago (17th ed.)The National Rubber Publication Committe. The Philippines Recommends for Rubber. Fourth edition. Los Baños, Laguna: Philippine Council for Agriculture, Forestry and Natural Resources Research and Development, 2011.
Cita MLA (9th ed.)The National Rubber Publication Committe. The Philippines Recommends for Rubber. Fourth edition. Philippine Council for Agriculture, Forestry and Natural Resources Research and Development, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.