APA (7th ed.) Zitazioa
Haberfeld, M., & Hassell, A. (2009). A New Understanding of Terrorism: Case Studies, Trajectories and Lessons Learned. Springer US. https://doi.org/10.1007/978-1-4419-0115-6
Chicago Style (17th ed.) Zitazioa
Haberfeld, M.R, eta Agostino Hassell. A New Understanding of Terrorism: Case Studies, Trajectories and Lessons Learned. New York, NY: Springer US, 2009. https://doi.org/10.1007/978-1-4419-0115-6.
MLA (9th ed.) Zitazioa
Haberfeld, M.R, eta Agostino Hassell. A New Understanding of Terrorism: Case Studies, Trajectories and Lessons Learned. Springer US, 2009. https://doi.org/10.1007/978-1-4419-0115-6.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.