Storey, Anne E.; Walsh, Carolyn J.; Quinton, Roma L.; Wynne-Edwards, Katherine E. (March 2000). "Hormonal correlates of paternal responsiveness in new and expectant fathers". Evolution and Human Behavior. 21 (2): 79–95. doi:10.1016/S1090-5138(99)00042-2. PMID10785345.
Storey, Anne E.; Walsh, Carolyn J.; Quinton, Roma L.; Wynne-Edwards, Katherine E. (March 2000). "Hormonal correlates of paternal responsiveness in new and expectant fathers". Evolution and Human Behavior. 21 (2): 79–95. doi:10.1016/S1090-5138(99)00042-2. PMID10785345.