APA-viite

Frost, P. (2012). Vitamin D deficiency among northern Native Peoples: A real or apparent problem? Co-Action Publishing.

Chicago-tyylinen lähdeviittaus

Frost, Peter. Vitamin D Deficiency Among Northern Native Peoples: A Real or Apparent Problem? Co-Action Publishing, 2012.

MLA-viite

Frost, Peter. Vitamin D Deficiency Among Northern Native Peoples: A Real or Apparent Problem? Co-Action Publishing, 2012.

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