LIST OF SOURCES
Without any particular order, here are the sources supporting all of our claims on this website.
Cruikshank, Jeffrey L.; Schultz, Arthur (2013). The Man Who Sold America: The Amazing (but True!) Story of Albert D. Lasker and the Creation of the Advertising Century.
Ryan Holiday (2014). Growth Hacker Marketing: A Primer on the Future of Pr, Marketing, and Advertising
The List of Sources was last updated on 17 March 2022.