Tropical Agriculture Research Centre, Japan. N�orin Suisansh�o, & Otsuka, H. (1988). Characteristics and genesis of volcanic ash soils in the Philippines. Tropical Agriculture Research Center.
Chicago Style (17th ed.) CitationTropical Agriculture Research Centre, Japan. N�orin Suisansh�o, and Hiroo Otsuka. Characteristics and Genesis of Volcanic Ash Soils in the Philippines. Ibaraki, Japan: Tropical Agriculture Research Center, 1988.
MLA (9th ed.) CitationTropical Agriculture Research Centre, et al. Characteristics and Genesis of Volcanic Ash Soils in the Philippines. Tropical Agriculture Research Center, 1988.
Warning: These citations may not always be 100% accurate.