APA

Association for Computing Machinery, ACM Special Interest Group on Software Engineering, . (1987). Proceedings of the 9th international conference on Software Engineering. Los Alamitos, CA: IEEE Computer Society Press.

Chicago

Association for Computing Machinery, ACM Special Interest Group on Software Engineering, . 1987. Proceedings of the 9th international conference on Software Engineering. Los Alamitos, CA: IEEE Computer Society Press.

Harvard

Association for Computing Machinery, ACM Special Interest Group on Software Engineering, . (1987). Proceedings of the 9th international conference on Software Engineering. Los Alamitos, CA: IEEE Computer Society Press.

MLA

Association for Computing Machinery, ACM Special Interest Group on Software Engineering, . Proceedings of the 9th international conference on Software Engineering. Los Alamitos, CA: IEEE Computer Society Press. 1987.