Schlotfeldt, H. J. (1991). What should I do ?: A practical guide for the freshwater fish farmer. Germany: European Association of Fish Pathologists.
Chicago Style aipamenaSchlotfeldt, H. J. What Should I Do ?: A Practical Guide for the Freshwater Fish Farmer. Germany: European Association of Fish Pathologists, 1991.
MLA aipamenaSchlotfeldt, H. J. What Should I Do ?: A Practical Guide for the Freshwater Fish Farmer. Germany: European Association of Fish Pathologists, 1991.
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