Eckermann, H. v. (1922). The rocks and contact minerals of the Mansjö Mountain.
Čikaški stil citiranja (17. izdanje)Eckermann, Harry von. The Rocks and Contact Minerals of the Mansjö Mountain. Stockholm, Kung. boktryckeriet, P.A. Norstedt & söner, 1922.
MLA način citiranja (8. izdanje)Eckermann, Harry von. The Rocks and Contact Minerals of the Mansjö Mountain. 1922.
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