MacIntyre, P., & Bohlke, D. (2020). Reading explorer: 4 (student book) (Third edition.). National Geographic Learning.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMacIntyre, Paul, और David Bohlke. Reading Explorer: 4 (student Book). Third edition. Boston: National Geographic Learning, 2020.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMacIntyre, Paul, और David Bohlke. Reading Explorer: 4 (student Book). Third edition. National Geographic Learning, 2020.
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