Greer, A. (1992). A complete GCSE mathematics: Higher course (3rd ed.). Stanley Thornes.
芝加哥风格引文Greer, A. A Complete GCSE Mathematics: Higher Course. 3rd ed. Wiltshire: Stanley Thornes, 1992.
MLA引文Greer, A. A Complete GCSE Mathematics: Higher Course. 3rd ed. Stanley Thornes, 1992.
警告:这些引文格式不一定是100%准确.