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 Style aipamenaChristensen, 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 aipamenaChristensen, Bent. Studies on Cyto-taxonomy and Reproduction in the Enchytraeidae: With Notes on Parthenogenesis and Polyploidy in the Animal Kingdom. Berlingska Boktryckeriet, 1961.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.