Patrick, J. (1992). Training: Research and practice. Harcourt brace joranovich.
शिकागो स्टाइल उद्धरणPatrick, J. Training: Research and Practice. London: Harcourt brace joranovich, 1992.
एमएलए उद्धरणPatrick, J. Training: Research and Practice. Harcourt brace joranovich, 1992.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.