Contor, C. R., & Platts, W. (1991). Assessment of cowfish for predicting trout populations in grazed watersheds of intermountain west. Intermountain Station Research.
Chicago Style (17th ed.) ZitazioaContor, Craig R., eta Williams Platts. Assessment of Cowfish for Predicting Trout Populations in Grazed Watersheds of Intermountain West. Ogden: Intermountain Station Research, 1991.
MLA (9th ed.) ZitazioaContor, Craig R., eta Williams Platts. Assessment of Cowfish for Predicting Trout Populations in Grazed Watersheds of Intermountain West. Intermountain Station Research, 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.