Sondern, U. (1997). Testing of two pesticides against ectoparasites in the village poultry system of the Mzuzu Agricultural Development Division, Malawi: A field trial.
Chicago-Zitierstil (17. Ausg.)Sondern, Ulrich. Testing of Two Pesticides Against Ectoparasites in the Village Poultry System of the Mzuzu Agricultural Development Division, Malawi: A Field Trial. Berlin, 1997.
MLA-Zitierstil (9. Ausg.)Sondern, Ulrich. Testing of Two Pesticides Against Ectoparasites in the Village Poultry System of the Mzuzu Agricultural Development Division, Malawi: A Field Trial. 1997.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.