Schlotfeldt, H. J. (1991). What should I do ?: A practical guide for the freshwater fish farmer. Germany: European Association of Fish Pathologists.
Styl cytowania ChicagoSchlotfeldt, H. J. What Should I Do ?: A Practical Guide for the Freshwater Fish Farmer. Germany: European Association of Fish Pathologists, 1991.
Styl cytowania MLASchlotfeldt, H. J. What Should I Do ?: A Practical Guide for the Freshwater Fish Farmer. Germany: European Association of Fish Pathologists, 1991.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..