Christopher Ryan: opere
- 2010 Sex At Dawn: How We Mate, Why We Stray, and What It Means for Modern Relationships, Harper Perennial, New York, [rif.]
- In principio era il sesso, Odoya, Bologna, 2015
- con: Cacilda Jetha
- 2010 Sex at Dawn: The Prehistoric Origins of Modern Sexuality, Harper Collins, New York, [rif.]
- con: C. Jetha
psicologia
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