Schachter, Stanley (3 July 1963). "Birth Order, Eminence and Higher Education". American Sociological Review. 28 (5): 757–768. doi:10.2307/2089913. JSTOR2089913.
Rodgers, JL; Cleveland, HH; Van Den Oord, E; Rowe, DC (2000). "Resolving the debate over birth order, family size, and intelligence". The American Psychologist. 55 (6): 599–612. doi:10.1037/0003-066X.55.6.599. PMID10892201.
Schachter, Stanley (3 July 1963). "Birth Order, Eminence and Higher Education". American Sociological Review. 28 (5): 757–768. doi:10.2307/2089913. JSTOR2089913.
nih.gov
pubmed.ncbi.nlm.nih.gov
Rodgers, JL; Cleveland, HH; Van Den Oord, E; Rowe, DC (2000). "Resolving the debate over birth order, family size, and intelligence". The American Psychologist. 55 (6): 599–612. doi:10.1037/0003-066X.55.6.599. PMID10892201.