APA استشهاد

Hettema, M. E., Zhang, D., de Leeuw, K., Stienstra, Y., Smit, A. J., Kallenberg, C. G., & Bootsma, H. (2008). Early atherosclerosis in systemic sclerosis and its relation to disease or traditional risk factors. BioMed Central.

استشهاد بنمط شيكاغو

Hettema, Martha E., Dan Zhang, Karina de Leeuw, Ymkje Stienstra, Andries J. Smit, Cees GM Kallenberg, و Hendrika Bootsma. Early Atherosclerosis in Systemic Sclerosis and Its Relation to Disease or Traditional Risk Factors. BioMed Central, 2008.

MLA استشهاد

Hettema, Martha E., et al. Early Atherosclerosis in Systemic Sclerosis and Its Relation to Disease or Traditional Risk Factors. BioMed Central, 2008.

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