Dyfyniad APA

Wennstrom, U. (2001). Direct seeding of Pinus sylvestris (L.) in the boreal forest using orchard or stand seed.

Dyfyniad Arddull Chicago

Wennstrom, Ulfstand. Direct Seeding of Pinus Sylvestris (L.) in the Boreal Forest Using Orchard or Stand Seed. 2001.

Dyfyniad MLA

Wennstrom, Ulfstand. Direct Seeding of Pinus Sylvestris (L.) in the Boreal Forest Using Orchard or Stand Seed. 2001.

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