Não informado. (1912). Science reports of the Tohoku University. Tohoku University, Faculty of Science, Institute of Geology and Paleontology.
Chicago-viite (17. p.)Não informado. Science Reports of the Tohoku University. Sendai, Japão: Tohoku University, Faculty of Science, Institute of Geology and Paleontology, 1912.
MLA-viite (8. p.)Não informado. Science Reports of the Tohoku University. Tohoku University, Faculty of Science, Institute of Geology and Paleontology, 1912.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.