Morris ,J.H.C. (1962). Rule Against Perpetuities (2nd.). Steven & Sons.
Citazione stile Chigago Style (17a edizione)Morris ,J.H.C. Rule Against Perpetuities. 2nd. London: Steven & Sons, 1962.
Citatione MLA (9a ed.)Morris ,J.H.C. Rule Against Perpetuities. 2nd. Steven & Sons, 1962.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.