Andrew Davis; C.J. Clegg. (2017). Biology for the IB Diploma Study and Revision Guide. Hodder Education.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAndrew Davis; C.J. Clegg. Biology for the IB Diploma Study and Revision Guide. Hodder Education, 2017.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAndrew Davis; C.J. Clegg. Biology for the IB Diploma Study and Revision Guide. Hodder Education, 2017.
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