World Health Organization. (1996). Trace elements in human nutrition and health.
Chicago Style (17th ed.) CitationWorld Health Organization. Trace Elements in Human Nutrition and Health. 1996.
ציטוט MLAWorld Health Organization. Trace Elements in Human Nutrition and Health. 1996.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.