Fretter, V. (1979). Pulmonates, Vol.2B: Economic malacology with particular reference to Achatina Fulica.
Chicago Stili AlıntıFretter, Vera. Pulmonates, Vol.2B: Economic Malacology with Particular Reference to Achatina Fulica. Academic Press, New York, 1979.
MLA AlıntıFretter, Vera. Pulmonates, Vol.2B: Economic Malacology with Particular Reference to Achatina Fulica. 1979.
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