APA Edition Citation

Gallo, C. (2011). Power of four - square: 7 innovative ways to get your customers to check in wherever they are.

Chicago Edition Citation

Gallo, Carmine. Power of Four - Square: 7 Innovative Ways to Get Your Customers to Check in Wherever They Are. Tata Mc Graw Hill: New Delhi, 2011.

MLA Edition Citation

Gallo, Carmine. Power of Four - Square: 7 Innovative Ways to Get Your Customers to Check in Wherever They Are. 2011.