World Health Organization. (2000). Phenylhydrazine. World Health Organization.
Chicago Edition CitationWorld Health Organization. Phenylhydrazine. Geneva: World Health Organization, 2000.
ציטוט MLAWorld Health Organization. Phenylhydrazine. World Health Organization, 2000.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.