APA-čujuhus (7. p.)

Osborne, P. L. Tropical ecosystems and ecological concepts.

Chicago-čujuhus (17. p.)

Osborne, Patrick L. Tropical Ecosystems and Ecological Concepts.

MLA-čujuhus (9. p.)

Osborne, Patrick L. Tropical Ecosystems and Ecological Concepts.

Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.