Cyfeiriadau

Baumrind, D. (1967) ‘Child-care practices anteceding three patterns of preschool behavior’, Genetic Psychology Monographs, cyf. 75, tt. 43–88.

CliffsNotes (2015) Piaget’s Model of Cognitive Development [ar-lein]. Ar gael yn http://www.cliffsnotes.com/ study-guides/ sociology/ socialization/ piagets-model-of-cognitive-development [Tip: daliwch Ctrl a chliciwch dolen i'w agor mewn tab newydd. (Cuddio tip)] (cyrchwyd 29 Ionawr 2016])

Cole, M. (1998) ‘Culture in development’ yn Woodhead, M., Faulkner, D. a Routledge mewn cydweithrediad â'r Brifysgol Agored.

David, T. (2004) ‘Young children’s social and emotional development’ yn Maynard, T. a Tomos, N. (gol) An Introduction to Early Childhood Studies, Llundain, Sage Publications Ltd.

Vogler, P., Crivello, G. a Woodhead, M. (2008) Early Childhood Transitions Research: A Review of Concepts, Theory and Practice, Yr Hag, Sefydliad Bernard van Leer.