APA:
Halttula, Heikki, Haapasalo, Harri, Aapaoja, Aki, Manninen, Samuli (2017). Early involvement and integration in construction projects.
International journal of management, knowledge and learning, letnik 6, številka 2, str. 215-237, 302.
URN:NBN:SI:doc-8T9J53T9 from http://www.dlib.si