Christensen, B. (1961). Studies on cyto-taxonomy and reproduction in the Enchytraeidae: With notes on parthenogenesis and polyploidy in the animal kingdom. Berlingska Boktryckeriet.
Chicagoスタイル(17版)引用形式Christensen, Bent. Studies on Cyto-taxonomy and Reproduction in the Enchytraeidae: With Notes on Parthenogenesis and Polyploidy in the Animal Kingdom. Lund: Berlingska Boktryckeriet, 1961.
MLA(8版)引用形式Christensen, Bent. Studies on Cyto-taxonomy and Reproduction in the Enchytraeidae: With Notes on Parthenogenesis and Polyploidy in the Animal Kingdom. Berlingska Boktryckeriet, 1961.
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