Ryan, G. D. (1981). Radiographic positioning of small animals. Philadelphia: Lea & Febiger.
शिकागो स्टाइल उद्धरणRyan, Gerald D. Radiographic Positioning of Small Animals. Philadelphia: Lea & Febiger, 1981.
एमएलए उद्धरणRyan, Gerald D. Radiographic Positioning of Small Animals. Philadelphia: Lea & Febiger, 1981.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.