Não informado. (1881). Bulletin of the United States Fish Commission, Department of Commerce. U.S. Department of Commerce.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Não informado. Bulletin of the United States Fish Commission, Department of Commerce. Washington: U.S. Department of Commerce, 1881.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Não informado. Bulletin of the United States Fish Commission, Department of Commerce. U.S. Department of Commerce, 1881.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.