Contor, C. R., & Platts, W. (1991). Assessment of cowfish for predicting trout populations in grazed watersheds of intermountain west. Intermountain Station Research.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Contor, Craig R., و Williams Platts. Assessment of Cowfish for Predicting Trout Populations in Grazed Watersheds of Intermountain West. Ogden: Intermountain Station Research, 1991.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Contor, Craig R., و Williams Platts. Assessment of Cowfish for Predicting Trout Populations in Grazed Watersheds of Intermountain West. Intermountain Station Research, 1991.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.