Cita APA (7a ed.)
Nihon Dojō Hiryō Gakkai. Soil science and plant nutrition. Society of the Science of Soil and Manure.
Cita Chicago Style (17a ed.)
Nihon Dojō Hiryō Gakkai. Soil Science and Plant Nutrition. Nishigara, Kita-ku, Tokyo, Japan: Society of the Science of Soil and Manure.
Cita MLA (9a ed.)
Nihon Dojō Hiryō Gakkai. Soil Science and Plant Nutrition. Society of the Science of Soil and Manure.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.