STAFFORD L W T. (1981). BUSINESS MATHEMATICS (2ND.). MACDONALD & EVANS.
芝加哥风格引文STAFFORD L W T. BUSINESS MATHEMATICS. 2ND. LONDON: MACDONALD & EVANS, 1981.
MLA引文STAFFORD L W T. BUSINESS MATHEMATICS. 2ND. MACDONALD & EVANS, 1981.
警告：这些引文格式不一定是100％准确.