Simonka34

* {{Cite book |ref= harv|title= Mysteries of the Unexplained |publisher= [[Reader's Digest Press]] |year=1982|page=164}}

* {{Cite book |ref= harv|title=The Construction of Racial Identities in China and Japan: Historical and Contemporary Perspectives |last=Dikötter|first=Frank|year=1997|publisher=C. Hurst & Co. Publishers|isbn=978-1-85065-287-8|pages=30–31|url=https://books.google.com/books?id=T7AL_qGOBsYC&pg=PA30&dq=Yeren&ie=ISO-8859-1&output=html}}