Osborne, P. L. Tropical ecosystems and ecological concepts.
Chicago Style (17th ed.) ZitazioaOsborne, Patrick L. Tropical Ecosystems and Ecological Concepts.
MLA (9th ed.) ZitazioaOsborne, Patrick L. Tropical Ecosystems and Ecological Concepts.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.