YIH-LONG CHANG & SULLIVAN, R. S. (1989). QSB+: Quantitative systems for business plus. Prentice Hall.
芝加哥风格引文YIH-LONG CHANG 与 Robert S. SULLIVAN. QSB+: Quantitative Systems for Business Plus. Englewood Cliffs: Prentice Hall, 1989.
MLA引文YIH-LONG CHANG 与 Robert S. SULLIVAN. QSB+: Quantitative Systems for Business Plus. Prentice Hall, 1989.
警告：这些引文格式不一定是100％准确.