Cita APA

Lynam Tim J., Campbell, B., & Vermeulen, S. (1994). Contingent valuation of multipurpose tree resource in the smallholder farming sector, Zimbabwe. Sweden: Gothenburg University.

Citación estilo Chicago

Lynam Tim J., Bruce Campbell, y S.J Vermeulen. Contingent Valuation of Multipurpose Tree Resource in the Smallholder Farming Sector, Zimbabwe. Sweden: Gothenburg University, 1994.

Cita MLA

Lynam Tim J., Bruce Campbell, y S.J Vermeulen. Contingent Valuation of Multipurpose Tree Resource in the Smallholder Farming Sector, Zimbabwe. Sweden: Gothenburg University, 1994.