Não informado. (1961). Soil Science and Plant Nutrition. Japanese Society of Soil Science and Plant Nutrition.
Chicago-viite (17. p.)Não informado. Soil Science and Plant Nutrition. Tokyo: Japanese Society of Soil Science and Plant Nutrition, 1961.
MLA-viite (8. p.)Não informado. Soil Science and Plant Nutrition. Japanese Society of Soil Science and Plant Nutrition, 1961.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.