Gaya APA

L., L, A. et al (1995). Dryland forestry : planning and management / Peter F. Ffolliott, Kenneth N. Brooks, Hans M. Gregersen, Allen L. Lundgren . New York: John Wiley n Sons.

Gaya MLA

L., Lundgren., Allen. et al. "Dryland forestry : planning and management / Peter F. Ffolliott, Kenneth N. Brooks, Hans M. Gregersen, Allen L. Lundgren". New York: John Wiley n Sons, 1995. Textbook.