VAN KREVELEN, D. (1961). Coal: Typology chemistry-physics. Elsevier.
Chicagoスタイル(17版)引用形式VAN KREVELEN, D.W. Coal: Typology Chemistry-physics. Amsterdam: Elsevier, 1961.
MLA(9版)引用形式VAN KREVELEN, D.W. Coal: Typology Chemistry-physics. Elsevier, 1961.
警告: この引用は必ずしも正確ではありません.