Não informado. (1961). Soil Science and Plant Nutrition. Japanese Society of Soil Science and Plant Nutrition.
Chicago-Zitierstil (17. Ausg.)Não informado. Soil Science and Plant Nutrition. Tokyo: Japanese Society of Soil Science and Plant Nutrition, 1961.
MLA-Zitierstil (8. Ausg.)Não informado. Soil Science and Plant Nutrition. Japanese Society of Soil Science and Plant Nutrition, 1961.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.