APA aipamena

Idaho), S. o. W. M. (. :. (1980). Watershed management 1980. New York : ACSE.

Chicago Style aipamena

Idaho), Symposium on Watershed Management (1980. Watershed Management 1980. New York : ACSE, 1980.

MLA aipamena

Idaho), Symposium on Watershed Management (1980. Watershed Management 1980. New York : ACSE, 1980.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.