Cita APA (7th ed.)

Varangis, P. N., Crossley, R., & Braga, C. A. P. (1995). Is there a commercial case for tropical timber certificationn. World Bank.

Cita Chicago (17th ed.)

Varangis, Panayotis N., Rachel Crossley, i Carlos Alberto Primo Braga. Is There a Commercial Case for Tropical Timber Certificationn. Washington, DC: World Bank, 1995.

Cita MLA (9th ed.)

Varangis, Panayotis N., et al. Is There a Commercial Case for Tropical Timber Certificationn. World Bank, 1995.