APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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