(1939). Vol. 11, № 7; Industrial and Engineering Chemistry. Analytical edition. 1939.
Citazione stile Chigago Style (17a edizione)Vol. 11, № 7; Industrial and Engineering Chemistry. Analytical Edition. 1939, 1939.
Citatione MLA (9a ed.)Vol. 11, № 7; Industrial and Engineering Chemistry. Analytical Edition. 1939, 1939.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.