Não informado. (1956). Preprints. American Chemical Society, Division of Petroleum Chemistry.
Chicagoスタイル(17版)引用形式Não informado. Preprints. Washington: American Chemical Society, Division of Petroleum Chemistry, 1956.
MLA(8版)引用形式Não informado. Preprints. American Chemical Society, Division of Petroleum Chemistry, 1956.
警告: この引用は必ずしも正確ではありません.