APA استشهاد

Loomis, B. R., Shafer, P. R., & van Hasselt, M. (2013). The Economic Impact of Smoke-Free Laws on Restaurants and Bars in 9 States. Centers for Disease Control and Prevention.

استشهاد بنمط شيكاغو

Loomis, Brett R., Paul R. Shafer, و Martijn van Hasselt. The Economic Impact of Smoke-Free Laws On Restaurants and Bars in 9 States. Centers for Disease Control and Prevention, 2013.

MLA استشهاد

Loomis, Brett R., Paul R. Shafer, و Martijn van Hasselt. The Economic Impact of Smoke-Free Laws On Restaurants and Bars in 9 States. Centers for Disease Control and Prevention, 2013.

تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.