Gibbons, J. (2002). Towards a colimit-based semantics for visual programming.
芝加哥风格引文Gibbons, J. Towards a Colimit-based Semantics for Visual Programming. 2002.
MLA引文Gibbons, J. Towards a Colimit-based Semantics for Visual Programming. 2002.
警告：这些引文格式不一定是100％准确.