Scottish Mathematics Group. (1968). Modern mathematics for schools , book 6. Chambers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रScottish Mathematics Group. Modern Mathematics for Schools , Book 6. Glasgow : Blackie ; Edinburgh: Chambers, 1968.
एमएलए (9वां संस्करण) प्रशस्ति पत्रScottish Mathematics Group. Modern Mathematics for Schools , Book 6. Chambers, 1968.
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