McClelland, Megan M.; Cameron, Claire E.; Connor, Carol McDonald; Farris, Carrie L.; Jewkes, Abigail M.; Morrison, Frederick J. . (2007). Links between behavioral regulation and preschoolers' literacy, vocabulary, and math skills.. Developmental Psychology, 43(4), 947–959.
doi:10.1037/0012-1649.43.4.947