Tohutoro APA (7th ed.)
Greer, A. (1987). A complete GCSE mathematics: Higher course (2nd ed.). Stanley Thornes.
Tohutoru Kātū Chicago (17th ed.)
Greer, A. A Complete GCSE Mathematics: Higher Course. 2nd ed. London: Stanley Thornes, 1987.
Tohutoro MLA (9th ed.)
Greer, A. A Complete GCSE Mathematics: Higher Course. 2nd ed. Stanley Thornes, 1987.
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