CLIFTON H D. (1974). SYSTEMS ANALYSIS FOR BUSINESS DATA PROCESSING. PETROCELLI BOOKS.
芝加哥风格引文CLIFTON H D. SYSTEMS ANALYSIS FOR BUSINESS DATA PROCESSING. NEW YORK: PETROCELLI BOOKS, 1974.
MLA引文CLIFTON H D. SYSTEMS ANALYSIS FOR BUSINESS DATA PROCESSING. PETROCELLI BOOKS, 1974.
警告：这些引文格式不一定是100％准确.