SPENCER DONALD D. (1985). LEARNING BASIC FOR MICROCOMPUTERS: A WORKTEXT FOR THE IBM. CHARLES E MERRILL PUBLISHING COMPANY.
芝加哥风格引文SPENCER DONALD D. LEARNING BASIC FOR MICROCOMPUTERS: A WORKTEXT FOR THE IBM. LONDON: CHARLES E MERRILL PUBLISHING COMPANY, 1985.
MLA引文SPENCER DONALD D. LEARNING BASIC FOR MICROCOMPUTERS: A WORKTEXT FOR THE IBM. CHARLES E MERRILL PUBLISHING COMPANY, 1985.
警告：这些引文格式不一定是100％准确.