Não informado. (1964). Philippine Journal of Plant Industry. U.S. Department of Agriculture, Bureau of Plant Industry.
Chicago-Zitierstil (17. Ausg.)Não informado. Philippine Journal of Plant Industry. Manila: U.S. Department of Agriculture, Bureau of Plant Industry, 1964.
MLA-Zitierstil (8. Ausg.)Não informado. Philippine Journal of Plant Industry. U.S. Department of Agriculture, Bureau of Plant Industry, 1964.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.