Hart, S. C., Oren, R., & Perry, D. A. (2008). Forest Ecosystems (2.).
Chicago Edition CitationHart, Stephen C., Ram Oren, i David A. Perry. Forest Ecosystems. 2. Baltimore, Johns Hopkins, 2008.
Cita MLAHart, Stephen C., et al. Forest Ecosystems. 2. 2008.
Atenció: Aquestes cites poden no estar 100% correctes.