That gender is socially constructed - Sociology bibliographies - in Harvard style

In-text: (Beckett and Taylor, 2010)

Your Bibliography: Beckett, C. and Taylor, H., 2010. Human Growth and Development. London: Sage Publications.

In-text: (Doherty and Hughes, 2014)

Your Bibliography: Doherty, J. and Hughes, M., 2014. Child development: theory and practice 0 - 11. 2nd ed. Harlow: Pearsons.

In-text: (Giddens and Sutton, 2014)

Your Bibliography: Giddens, A. and Sutton, 2014. Sociology. 7th ed. Cambridge: Polity.

In-text: (Slater and Bremner, 2011)

Your Bibliography: Slater, A. and Bremner, G., 2011. An introduction to developmental psychology. 2nd ed. Chichester: Wiley.

In-text: (Smidt, 2006)

Your Bibliography: Smidt, S., 2006. The developing child in the 21st century. London: Routledge.