Alberman, E., & Botting, B. (1991). Trends in prevalence and survival of very low birthweight infants, England and Wales: 1983-7.
استشهاد بنمط شيكاغوAlberman, E., و B. Botting. Trends in Prevalence and Survival of Very Low Birthweight Infants, England and Wales: 1983-7. 1991.
MLA استشهادAlberman, E., و B. Botting. Trends in Prevalence and Survival of Very Low Birthweight Infants, England and Wales: 1983-7. 1991.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.