Kula, E. (1988). The economics of forestry: Modern theory and practice. Timber Press.
Citazione stile Chigago Style (17a edizione)Kula, Erhun. The Economics of Forestry: Modern Theory and Practice. Portland, Or.: Timber Press, 1988.
Citatione MLA (8a ed.)Kula, Erhun. The Economics of Forestry: Modern Theory and Practice. Timber Press, 1988.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.