SLATER, Alan a BREMNER, J. Gavin (ed.). An introduction to developmental psychology. 2nd ed. BPS textbooks in psychology. Chichester, West Sussex: BPS Blackwell, 2011. ISBN 9781405186520. Dostupné také z: http://catdir.loc.gov/catdir/enhancements/fy1112/2011024400-d.html.