Correct referencing format

Mostert K$.,$ & Rothmann, S $(2006).$ Work $-$related well$-$being in the South African Police Service. Journal of Criminal Justice $34(5),479-491.$

Wraith, Ronald, and Edgar Simpkins. Corruption in developing countries.Routledge, $2010.$

Suttie, Jill & Marsh, Jason. $(2014).$ Is a Happy Life Different from a Meaningful One?

Groenewald, Liela $(2017).$ Lip Service: How Voices from informal Settlements were Silenced during the First Decade of Local Democracy in South Africa'. Paper presented at the conference, 'Refractions of the National, the Popular, and the Global in African Cities', Stellenbosch Institute for Advanced Study $($Stias$),31$ July $-1$ August.