Sweetenham, J. G., & Esterson, D. M. j. a. (1966). Model answers in mathematics for A-level students. Pergamon.
芝加哥风格引文Sweetenham, Joseph Gilford, 与 Derek Montague joint auth Esterson. Model Answers in Mathematics for A-level Students. Oxford: Pergamon, 1966.
MLA引文Sweetenham, Joseph Gilford, 与 Derek Montague joint auth Esterson. Model Answers in Mathematics for A-level Students. Pergamon, 1966.
警告：这些引文格式不一定是100％准确.