Compare: Winkelman, Michael (2010). Shamanism: A Biopsychosocial Paradigm of Consciousness and Healing. ABC-CLIO. p. 60. ISBN9780313381812. Consultado el 4 de octubre de 2015. «Part of Bahn's and others' arguments are based in an arbitrary approach to conceptualizing shamanism. For instance, Bahn characterizes Siberia as 'the heartland of true shamanism' (59), resorting to the idea that the word must be restricted to the cultural region of its origin.»
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Vaba, Lembit. «The Yukaghirs». The Red Book of the Peoples of the Russian Empire. NGO Red Book.
