"سنڈریلا اثر" کے نسخوں کے درمیان فرق

* {{Cite journal| last1 = Hamilton | first1 = L.| last2 = Cheng | first2 = S.| last3 = Powell | first3 = B.| title = Adoptive Parents, Adaptive Parents: Evaluating the Importance of Biological Ties for Parental Investment| journal = American Sociological Review| volume = 72| pages = 95–116| year = 2007| doi = 10.1177/000312240707200105}}

* {{Cite journal| last1 = Gibson | first1 = K.| title = Differential parental investment in families with both adopted and genetic children| journal = [[Evolution and Human Behavior]]| volume = 30| issue = 3| pages = 184–189| year = 2009| doi = 10.1016/j.evolhumbehav.2009.01.001}}

 

[[زمرہ:بچپن]]