The National Rubber Publication Committe. (2011). The Philippines recommends for rubber (Fourth edition.). Philippine Council for Agriculture, Forestry and Natural Resources Research and Development.
Citace podle 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.
Citace podle 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.
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