Ravera, O. (1989). Ecological assessment of environmental degradation, pollution and recovery: Lectures of a course held at the joint Research Center, Ispra Italy 12-16 octuber 1987. Elsevier.
Citazione stile Chigago Style (17a edizione)Ravera, Oscar. Ecological Assessment of Environmental Degradation, Pollution and Recovery: Lectures of a Course Held at the Joint Research Center, Ispra Italy 12-16 Octuber 1987. Amsterdam: Elsevier, 1989.
Citatione MLA (9a ed.)Ravera, Oscar. Ecological Assessment of Environmental Degradation, Pollution and Recovery: Lectures of a Course Held at the Joint Research Center, Ispra Italy 12-16 Octuber 1987. Elsevier, 1989.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.