Malini, S. S., & Ramachandra, N. B. (2006). Influence of advanced age of maternal grandmothers on Down syndrome. BioMed Central.
استشهاد بنمط شيكاغوMalini, Suttur S., و Nallur B. Ramachandra. Influence of Advanced Age of Maternal Grandmothers On Down Syndrome. BioMed Central, 2006.
MLA استشهادMalini, Suttur S., و Nallur B. Ramachandra. Influence of Advanced Age of Maternal Grandmothers On Down Syndrome. BioMed Central, 2006.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.