López, A., & Seligman, H. K. (2014). Online Grocery Store Coupons and Unhealthy Foods, United States. Centers for Disease Control and Prevention.
Stile di citazione ChicagoLópez, Andrea, e Hilary K. Seligman. Online Grocery Store Coupons and Unhealthy Foods, United States. Centers for Disease Control and Prevention, 2014.
Citazione MLALópez, Andrea, e Hilary K. Seligman. Online Grocery Store Coupons and Unhealthy Foods, United States. Centers for Disease Control and Prevention, 2014.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.