Não informado. (1881). Bulletin of the United States Fish Commission, Department of Commerce. U.S. Department of Commerce.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Bulletin of the United States Fish Commission, Department of Commerce. Washington: U.S. Department of Commerce, 1881.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Bulletin of the United States Fish Commission, Department of Commerce. U.S. Department of Commerce, 1881.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.