World Health Organization. (2000). Phenylhydrazine. World Health Organization.
शिकागो स्टाइल उद्धरणWorld Health Organization. Phenylhydrazine. Geneva: World Health Organization, 2000.
एमएलए उद्धरणWorld Health Organization. Phenylhydrazine. World Health Organization, 2000.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.