Ryder, R. J. (1998). Reading and learning in content areas (2nd ed.). Upper Saddle River: Merrill.
शिकागो स्टाइल उद्धरणRyder, Randall J. Reading and Learning in Content Areas. 2nd ed. Upper Saddle River: Merrill, 1998.
एमएलए उद्धरणRyder, Randall J. Reading and Learning in Content Areas. 2nd ed. Upper Saddle River: Merrill, 1998.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.