Grut, M., Gray, J. A., & Egli. Nicolas. (1991). Forest pricing and concession policies: Managing the high forests of West and Central Africa (1. printing.). World Bank.
Chicago-Zitierstil (17. Ausg.)Grut, Mikael, John Andrew Gray, und Egli. Nicolas. Forest Pricing and Concession Policies: Managing the High Forests of West and Central Africa. 1. printing. Washington, DC: World Bank, 1991.
MLA-Zitierstil (9. Ausg.)Grut, Mikael, et al. Forest Pricing and Concession Policies: Managing the High Forests of West and Central Africa. 1. printing. World Bank, 1991.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.