Kula, E. (1988). The economics of forestry: Modern theory and practice. Timber Press.
Cita Chicago (17th ed.)Kula, Erhun. The Economics of Forestry: Modern Theory and Practice. Portland, Or.: Timber Press, 1988.
Cita MLA (8th ed.)Kula, Erhun. The Economics of Forestry: Modern Theory and Practice. Timber Press, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.