Lua APA (7ú heag.)

Staaf, K., & Wiksten, N. (1984). Tree harvesting techniques. M. Nijhoff / W. Junk Publishers.

Lua i Stíl Chicago (17ú heag.)

Staaf, K.A.G, agus N.A Wiksten. Tree Harvesting Techniques. Dordrecht: M. Nijhoff / W. Junk Publishers, 1984.

Lua MLA (9ú heag.)

Staaf, K.A.G, agus N.A Wiksten. Tree Harvesting Techniques. M. Nijhoff / W. Junk Publishers, 1984.

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