Não informado. (1968). Modern data products, systems, services. Modern Data Services.
Style de citation Chicago (17e éd.)Não informado. Modern Data Products, Systems, Services. Framingham, Mass: Modern Data Services, 1968.
Style de citation MLA (8e éd.)Não informado. Modern Data Products, Systems, Services. Modern Data Services, 1968.
Attention : ces citations peuvent ne pas être correctes à 100%.