John du Feu. (2018). AS & A Level Further Mathematics Further Probability. Hodder Education.
Lua i Stíl Chicago (17ú heag.)John du Feu. AS & A Level Further Mathematics Further Probability. London: Hodder Education, 2018.
Lua MLA (9ú heag.)John du Feu. AS & A Level Further Mathematics Further Probability. Hodder Education, 2018.
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