Gulles, A. A. (2008). Estimating the proportion of vitamin A deficiency among children aged 6 months to 5 years.
Chicago Style (17th ed.) CitationGulles, Allan A. Estimating the Proportion of Vitamin A Deficiency Among Children Aged 6 Months to 5 Years. 2008.
ציטוט MLAGulles, Allan A. Estimating the Proportion of Vitamin A Deficiency Among Children Aged 6 Months to 5 Years. 2008.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.