APA-čujuhus (7. p.)

(1982). Urban ecology: the second European ecological: Symposium, Berlin, 8-12 September, 1980. Blackwell.

Chicago-čujuhus (17. p.)

Urban Ecology: The Second European Ecological: Symposium, Berlin, 8-12 September, 1980. Oxford: Blackwell, 1982.

MLA-čujuhus (9. p.)

Urban Ecology: The Second European Ecological: Symposium, Berlin, 8-12 September, 1980. Blackwell, 1982.

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