Barnwell, S. S., & Earleywine, M. (2006). Simultaneous alcohol and cannabis expectancies predict simultaneous use. BioMed Central.
استشهاد بنمط شيكاغوBarnwell, Sara Smucker, و Mitch Earleywine. Simultaneous Alcohol and Cannabis Expectancies Predict Simultaneous Use. BioMed Central, 2006.
MLA استشهادBarnwell, Sara Smucker, و Mitch Earleywine. Simultaneous Alcohol and Cannabis Expectancies Predict Simultaneous Use. BioMed Central, 2006.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.