Cita APA (7th ed.)

Mills, N. L., & Porras, I. T. (2002). Silver bullet or fools' gold?: A global review of markets for forest environmental services and their impact on the poor. International Institute for Environment and Development.

Cita Chicago (17th ed.)

Mills, Natasha Landell, i Ina T. Porras. Silver Bullet or Fools' Gold?: A Global Review of Markets for Forest Environmental Services and Their Impact on the Poor. London: International Institute for Environment and Development, 2002.

Cita MLA (9th ed.)

Mills, Natasha Landell, i Ina T. Porras. Silver Bullet or Fools' Gold?: A Global Review of Markets for Forest Environmental Services and Their Impact on the Poor. International Institute for Environment and Development, 2002.