APA (7 वां संस्करण) प्रशस्ति पत्र
O'Grady, G., Yew, E. H., Goh, K. P., & Schmidt, H. G. (2012). One-Day, One-Problem: An Approach to Problem-based Learning. Springer Singapore. https://doi.org/10.1007/978-981-4021-75-3
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
O'Grady, Glen, Elaine H.J Yew, Karen P.L Goh, और Henk G. Schmidt. One-Day, One-Problem: An Approach to Problem-based Learning. Singapore: Springer Singapore, 2012. https://doi.org/10.1007/978-981-4021-75-3.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
O'Grady, Glen, et al. One-Day, One-Problem: An Approach to Problem-based Learning. Springer Singapore, 2012. https://doi.org/10.1007/978-981-4021-75-3.
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