Dyfyniad APA

Stigsson Lars, Berglin Niklas, Olm Leelo, Tormund Disa, Tomani Per, Hk̄ansdotter-Palm Lina, & Delin Lennart. Sulphur-free pulping. The novacell process.

Dyfyniad Arddull Chicago

Stigsson Lars, Berglin Niklas, Olm Leelo, Tormund Disa, Tomani Per, Hk̄ansdotter-Palm Lina, and Delin Lennart. Sulphur-free Pulping. The Novacell Process.

Dyfyniad MLA

Stigsson Lars, et al. Sulphur-free Pulping. The Novacell Process.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.