Mark, R. (1996). Research made simple: Handbook for social workers. Sage Publication.
Stile di citazione ChicagoMark, Raymond. Research Made Simple: Handbook for Social Workers. New Delhi: Sage Publication, 1996.
Citazione MLAMark, Raymond. Research Made Simple: Handbook for Social Workers. Sage Publication, 1996.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.