Sayers, D. L. (1971). Murder must advertise (3rd print.). Avon Books.
Citazione stile Chigago Style (17a edizione)Sayers, Dorothy Leigh. Murder Must Advertise. 3rd print. New York: Avon Books, 1971.
Citatione MLA (9a ed.)Sayers, Dorothy Leigh. Murder Must Advertise. 3rd print. Avon Books, 1971.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.