Schlotfeldt, H. J. (1991). What should I do ?: A practical guide for the freshwater fish farmer. Germany: European Association of Fish Pathologists.
Chicago Style citaatSchlotfeldt, H. J. What Should I Do ?: A Practical Guide for the Freshwater Fish Farmer. Germany: European Association of Fish Pathologists, 1991.
MLA citatieSchlotfeldt, H. J. What Should I Do ?: A Practical Guide for the Freshwater Fish Farmer. Germany: European Association of Fish Pathologists, 1991.
Let op: Deze citaties zijn niet altijd 100% accuraat.