(2007). Distribution of Teaching & Learning Resources in California's Middle & High Schools. Regional Educational Laboratory Program.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDistribution of Teaching & Learning Resources in California's Middle & High Schools. Regional Educational Laboratory Program, 2007.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDistribution of Teaching & Learning Resources in California's Middle & High Schools. Regional Educational Laboratory Program, 2007.
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