Bratko, D. (2007). Genetic and environmental influences on general knowledge and its relationship with intelligence: Genetic and environmental influences on general knowledge and its relationship with intelligence. 37th Annual Meeting of the Behavior Genetics Association: Abstract Book.
Chicago stil citiranjaBratko, Denis. "Genetic and environmental influences on general knowledge and its relationship with intelligence: Genetic and environmental influences on general knowledge and its relationship with intelligence." 2007.
MLA stil citiranjaBratko, Denis. "Genetic and environmental influences on general knowledge and its relationship with intelligence: Genetic and environmental influences on general knowledge and its relationship with intelligence." 2007.