Source: https://ruor.uottawa.ca/bitstream/10393/37125/1/St-Laurent_Benoit_2017_L%E2%80%99analyse%20de%20l%E2%80%99identite%CC%81%20de%20marque%20de%20Bell%20Canada%20Entreprises%20%E2%80%93%20se%20re%CC%81inventer%20pour%20survivre.pdf