Krishnan, A. V., Trump, D. L., Johnson, C. S., & Feldman, D. (2012). The Role of Vitamin D in Cancer Prevention and Treatment. Rheum Dis Clin North Am.
استشهاد بنمط شيكاغوKrishnan, Aruna V., Donald L. Trump, Candace S. Johnson, و David Feldman. "The Role of Vitamin D in Cancer Prevention and Treatment." Rheum Dis Clin North Am 2012.
MLA استشهادKrishnan, Aruna V., Donald L. Trump, Candace S. Johnson, و David Feldman. "The Role of Vitamin D in Cancer Prevention and Treatment." Rheum Dis Clin North Am 2012.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.