Citazione APA

(1997). Natural resources development: Focus: tropical. Gernamy: The institute for Scientific Co-operation.

Stile di citazione Chicago

Natural Resources Development: Focus: Tropical. Gernamy: The institute for Scientific Co-operation, 1997.

Citazione MLA

Natural Resources Development: Focus: Tropical. Gernamy: The institute for Scientific Co-operation, 1997.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.