Issues in combining marking and direct manipulation techniques. Proceedings of the 4th annual ACM symposium on User interface software and technology - UIST '91. https://doi.org/10.1145/120782.120797
Chicago Style (17th ed.) Citation"Issues in Combining Marking and Direct Manipulation Techniques." Proceedings of the 4th Annual ACM Symposium on User Interface Software and Technology - UIST '91 . https://doi.org/10.1145/120782.120797.
MLA (9th ed.) Citation"Issues in Combining Marking and Direct Manipulation Techniques." Proceedings of the 4th Annual ACM Symposium on User Interface Software and Technology - UIST '91, , https://doi.org/10.1145/120782.120797.
Warning: These citations may not always be 100% accurate.