Fagerholm, F.; Johnson, P.; Guinea, A. S.; Borenstein, J.; Münch, J. (2013). "Onboarding in Open Source Software Projects: A Preliminary Analysis". 2013 IEEE 8th International Conference on Global Software Engineering Workshops. ss. 5-10. arXiv:1311.1334 $2. doi:10.1109/ICGSEW.2013.8. ISBN978-0-7695-5055-8.
Fagerholm, F.; Johnson, P.; Guinea, A. S.; Borenstein, J.; Münch, J. (2013). "Onboarding in Open Source Software Projects: A Preliminary Analysis". 2013 IEEE 8th International Conference on Global Software Engineering Workshops. ss. 5-10. arXiv:1311.1334 $2. doi:10.1109/ICGSEW.2013.8. ISBN978-0-7695-5055-8.