Van Krevelen, D. (1961). Coal: Typology -Chemistry-Physics-Constitution. Elsevier.
シカゴスタイル引用形Van Krevelen, D.W. Coal: Typology -Chemistry-Physics-Constitution. Amsterdam: Elsevier, 1961.
MLA引用形式Van Krevelen, D.W. Coal: Typology -Chemistry-Physics-Constitution. Elsevier, 1961.
警告: この引用は必ずしも正確ではありません.