McFadden, J., & Wells, R. H. (2006). Human nature: Fact and fiction. Continuum International Pub. Group.
Chicago-viite (17. p.)McFadden, Johnjoe, ja Robin Headlam Wells. Human Nature: Fact and Fiction. London ; New York: Continuum International Pub. Group, 2006.
MLA-viite (9. p.)McFadden, Johnjoe, ja Robin Headlam Wells. Human Nature: Fact and Fiction. Continuum International Pub. Group, 2006.
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