Cita APA

(1993). Status and periodic progress report 1993: Development and application of cost-effective methods for biological monitoring of rivers in Costa Rica. Bergium and Costa Rica: University of Grent and Universidad Nacional.

Citación estilo Chicago

Status and Periodic Progress Report 1993: Development and Application of Cost-effective Methods for Biological Monitoring of Rivers in Costa Rica. Bergium and Costa Rica: University of Grent and Universidad Nacional, 1993.

Cita MLA

Status and Periodic Progress Report 1993: Development and Application of Cost-effective Methods for Biological Monitoring of Rivers in Costa Rica. Bergium and Costa Rica: University of Grent and Universidad Nacional, 1993.