(2005). Responsible alcohol service. National Restaurant Association Education Foundation.
استشهاد بنمط شيكاغوResponsible Alcohol Service. National Restaurant Association Education Foundation, 2005.
MLA استشهادResponsible Alcohol Service. National Restaurant Association Education Foundation, 2005.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.