Helmut Kohnke & D.P. Franzmeier. (2013). Soil Science Simplified (4.). Scientific International Pvt. Ltd.
シカゴスタイル引用形Helmut Kohnke , D.P. Franzmeier. Soil Science Simplified. 4. New Delhi: Scientific International Pvt. Ltd, 2013.
MLA引用形式Helmut Kohnke , D.P. Franzmeier. Soil Science Simplified. 4. Scientific International Pvt. Ltd, 2013.
警告: この引用は必ずしも正確ではありません.