Nicholas Polunin. (1986). Ecosystem theory and application. John Wiley & Sons.
Chicago Edition CitationNicholas Polunin. Ecosystem Theory and Application. New York: John Wiley & Sons, 1986.
Cita MLANicholas Polunin. Ecosystem Theory and Application. John Wiley & Sons, 1986.
Atenció: Aquestes cites poden no estar 100% correctes.