Becque, A. J. (1977). LPR: An integrated program and data management system for engineering applications. s.n.
芝加哥风格引文Becque, Antonio Jacobus. LPR: An Integrated Program and Data Management System for Engineering Applications. Amsterdam: s.n, 1977.
MLA引文Becque, Antonio Jacobus. LPR: An Integrated Program and Data Management System for Engineering Applications. s.n, 1977.
警告：这些引文格式不一定是100％准确.