APA-čujuhus (7. p.)
(1972). Report from the Tvärminne Zoological Station, University of Helsinki. Soc.pro fauna et flora Fennica.
Chicago-čujuhus (17. p.)
Report from the Tvärminne Zoological Station, University of Helsinki. Helsinki: Soc.pro fauna et flora Fennica, 1972.
MLA-čujuhus (9. p.)
Report from the Tvärminne Zoological Station, University of Helsinki. Soc.pro fauna et flora Fennica, 1972.
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