Newman, D. (2013). DO IT! Marketing: 77 Instant-Action Ideas to Boost Sales, Maximize Profits, and Crush Your Competition. New York: Amacom.
Чикагска система за цитиранеNewman, David. DO IT! Marketing: 77 Instant-Action Ideas to Boost Sales, Maximize Profits, and Crush Your Competition. New York: Amacom, 2013.
MLA формат за цитиранеNewman, David. DO IT! Marketing: 77 Instant-Action Ideas to Boost Sales, Maximize Profits, and Crush Your Competition. New York: Amacom, 2013.
Внимание: Тези цитати може да не са 100% точни.