Colson, E. Tradition and contract: The problem of social order. Aldine De Gruyter.
Citazione stile Chigago Style (17a edizione)Colson, Elizabeth. Tradition and Contract: The Problem of Social Order. New York: Aldine De Gruyter.
Citatione MLA (9a ed.)Colson, Elizabeth. Tradition and Contract: The Problem of Social Order. Aldine De Gruyter.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.