(1993). Essentials of family medicine. Baltimore: Williams & Wilkins.
शिकागो स्टाइल उद्धरणEssentials of Family Medicine. Baltimore: Williams & Wilkins, 1993.
एमएलए उद्धरणEssentials of Family Medicine. Baltimore: Williams & Wilkins, 1993.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.