Phillips, W., & Chilton, T. A-level biology. Oxford University Press.
Chicago Style (17th ed.) CitationPhillips, WD, and TJ Chilton. A-level Biology. Oxford: Oxford University Press.
MLA (9th ed.) CitationPhillips, WD, and TJ Chilton. A-level Biology. Oxford University Press.
Warning: These citations may not always be 100% accurate.