Forss, K. (1961). The composition of a spent spruce sulfite liquor. Tryckeri & Tidnings Ab.
Dyfyniad Arddull ChicagoForss, Kaj. The Composition of a Spent Spruce Sulfite Liquor. Borgå: Tryckeri & Tidnings Ab, 1961.
Dyfyniad MLAForss, Kaj. The Composition of a Spent Spruce Sulfite Liquor. Tryckeri & Tidnings Ab, 1961.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.