Barr, D. B., Caudill, S. P., Jones, R. L., Pfeiffer, C. M., Pirkle, J. L., Wilder, L. C., & Needham, L. L. (2005). Urinary Creatinine: Barr et al. Respond. National Institue of Environmental Health Sciences.
استشهاد بنمط شيكاغوBarr, Dana B., Samuel P. Caudill, Robert L. Jones, Christine M. Pfeiffer, James L. Pirkle, Lynn C. Wilder, و Lance L. Needham. Urinary Creatinine: Barr Et Al. Respond. National Institue of Environmental Health Sciences, 2005.
MLA استشهادBarr, Dana B., et al. Urinary Creatinine: Barr Et Al. Respond. National Institue of Environmental Health Sciences, 2005.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.