Piaget, Jean (1983). Piaget's theory. У Mussen, Paul Henry; Carmichael, Leonard (ред.). Handbook of child psychology: formerly Carmichael's Manual of child psychology. Т. 1 (вид. 4th). New York: John Wiley & Sons. с. 103–128. ISBN0471090573. OCLC9324435.
O'Donnell, Angela M.; Reeve, Johnmarshall; Smith, Jeffrey K. (2012). Social learning theory, complex cognition, and social constructivism. Educational psychology: reflection for action (вид. 3rd). Hoboken, NJ: John Wiley & Sons. с. 254–289. ISBN9781118076132. OCLC751719458.
Piaget, Jean (1983). Piaget's theory. У Mussen, Paul Henry; Carmichael, Leonard (ред.). Handbook of child psychology: formerly Carmichael's Manual of child psychology. Т. 1 (вид. 4th). New York: John Wiley & Sons. с. 103–128. ISBN0471090573. OCLC9324435.
O'Donnell, Angela M.; Reeve, Johnmarshall; Smith, Jeffrey K. (2012). Social learning theory, complex cognition, and social constructivism. Educational psychology: reflection for action (вид. 3rd). Hoboken, NJ: John Wiley & Sons. с. 254–289. ISBN9781118076132. OCLC751719458.