Claude C. Hopkins Quote
The man who wins out and survives does so only because of superior science and strategy.
My Life in Advertising and Scientific Advertising (ed. McGraw Hill Professional, 1966) - ISBN: 9780071784801
The man who wins out and survives does so only because of superior science and strategy.
My Life in Advertising and Scientific Advertising (ed. McGraw Hill Professional, 1966) - ISBN: 9780071784801