(1966). The new health and safety. Chicago: Scott, Foresman and Company.
शिकागो स्टाइल उद्धरणThe New Health and Safety. Chicago: Scott, Foresman and Company, 1966.
एमएलए उद्धरणThe New Health and Safety. Chicago: Scott, Foresman and Company, 1966.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.