Hellen Mellanby. (1963). Animal life in freshwater. Science paperbacks.
Chicago Stili AlıntıHellen Mellanby. Animal Life in Freshwater. London: Science paperbacks, 1963.
MLA AlıntıHellen Mellanby. Animal Life in Freshwater. Science paperbacks, 1963.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..