(1942). Vol. 34, № 4; Industrial and Engineering Chemistry. Industrial Edition. 1942.
Chicago-viite (17. p.)Vol. 34, № 4; Industrial and Engineering Chemistry. Industrial Edition. 1942, 1942.
MLA-viite (9. p.)Vol. 34, № 4; Industrial and Engineering Chemistry. Industrial Edition. 1942, 1942.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.