Cobban, A. B., & Cobban, A. B. (1975). The medieval universities: Their development and organization (1. publ.). Methuen.
Citazione stile Chigago Style (17a edizione)Cobban, Alan B., e Alan Balfour Cobban. The Medieval Universities: Their Development and Organization. 1. publ. London: Methuen, 1975.
Citatione MLA (8a ed.)Cobban, Alan B., e Alan Balfour Cobban. The Medieval Universities: Their Development and Organization. 1. publ. Methuen, 1975.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.