Citazione APA

Ries, N. M., & von Tigerstrom, B. (2010). Roadblocks to laws for healthy eating and activity. Canadian Medical Association.

Stile di citazione Chicago

Ries, Nola M., e Barbara von Tigerstrom. Roadblocks to Laws for Healthy Eating and Activity. Canadian Medical Association, 2010.

Citazione MLA

Ries, Nola M., e Barbara von Tigerstrom. Roadblocks to Laws for Healthy Eating and Activity. Canadian Medical Association, 2010.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.