Gripenberg, S. (1934). A study of the sediments of the north Baltic and adjoining seas. [s.n.].
Čikaški stil citiranja (17. izdanje)Gripenberg, Stina. A Study of the Sediments of the North Baltic and Adjoining Seas. Helsinki: [s.n.], 1934.
MLA način citiranja (8. izdanje)Gripenberg, Stina. A Study of the Sediments of the North Baltic and Adjoining Seas. [s.n.], 1934.
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