Citazione Stile APA (7a Edizione)
Roberts, R. (1983). <A> Positive model of private charity and public Transfers. University.
Citazione stile Chigago Style (17a edizione)
Roberts, Russell. <A> Positive Model of Private Charity and Public Transfers. Rochester: University, 1983.
Citatione MLA (9a ed.)
Roberts, Russell. <A> Positive Model of Private Charity and Public Transfers. University, 1983.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.