Nigel Buckle. Mathematics Higher Level Core (IB Mathematics) (4th edition.). IBID Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNigel Buckle. Mathematics Higher Level Core (IB Mathematics). 4th edition. IBID Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNigel Buckle. Mathematics Higher Level Core (IB Mathematics). 4th edition. IBID Press.
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