Robertson, D. H. (1952). Utility and all that, and other essays. Allen & Unwin.
Citazione stile Chigago Style (17a edizione)Robertson, Dennis Holme. Utility and All That, and Other Essays. London: Allen & Unwin, 1952.
Citatione MLA (9a ed.)Robertson, Dennis Holme. Utility and All That, and Other Essays. Allen & Unwin, 1952.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.