(1974). Inspector operations manual. U.S.A Deparment of Health, education and Welfare.
शिकागो स्टाइल उद्धरणInspector Operations Manual. U.S.A Deparment of Health, education and Welfare, 1974.
एमएलए उद्धरणInspector Operations Manual. U.S.A Deparment of Health, education and Welfare, 1974.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.