APA-čujuhus (7. p.)

Greer, A. (1992). A complete GCSE mathematics: Higher course (3rd ed.). Stanley Thornes Ltd.

Chicago-čujuhus (17. p.)

Greer, A. A Complete GCSE Mathematics: Higher Course. 3rd ed. Cheltenham, UK: Stanley Thornes Ltd, 1992.

MLA-čujuhus (9. p.)

Greer, A. A Complete GCSE Mathematics: Higher Course. 3rd ed. Stanley Thornes Ltd, 1992.

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