Gaya APA

2018, I. (2018). Proceedings of the 20th International Conference on Enterprise Information Systems - (Volume 2) (2018). Madeira, Portugal: .

Gaya MLA

2018, ICEIS. "Proceedings of the 20th International Conference on Enterprise Information Systems - (Volume 2)". 2018 Madeira, Portugal: , 2018. Proceding.