Gardner, D. (1999). Establishing self-access from theory to practice. Cambridge: Cambridge University Press.
शिकागो स्टाइल उद्धरणGardner, David. Establishing Self-access From Theory to Practice. Cambridge: Cambridge University Press, 1999.
एमएलए उद्धरणGardner, David. Establishing Self-access From Theory to Practice. Cambridge: Cambridge University Press, 1999.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.