Piekarz-Porter, E., Leider, J., Turner, L., & Chriqui, J. F. (2020). District Wellness Policy Nutrition Standards Are Associated with Healthier District Food Procurement Practices in the United States. Nutrients.
Chicago ZitierstilPiekarz-Porter, Elizabeth, Julien Leider, Lindsey Turner, und Jamie F. Chriqui. "District Wellness Policy Nutrition Standards Are Associated With Healthier District Food Procurement Practices in the United States." Nutrients 2020.
MLA ZitierstilPiekarz-Porter, Elizabeth, Julien Leider, Lindsey Turner, und Jamie F. Chriqui. "District Wellness Policy Nutrition Standards Are Associated With Healthier District Food Procurement Practices in the United States." Nutrients 2020.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.