Drucker, P. F. (1971). The new markets... and other essays. London: Heinemann.
Style de citation ChicagoDrucker, Peter Ferdinand. The New Markets... and Other Essays. London: Heinemann, 1971.
Style de citation MLADrucker, Peter Ferdinand. The New Markets... and Other Essays. London: Heinemann, 1971.
Attention : ces citations peuvent ne pas être correctes à 100%.