Joseph SOETERS, Patricia M. SHIELDS and Sebastiaan RIETJENS (eds), Routledge handbook of research methods in military studies, London ; New York : Routledge, 2014, pp. 216-227
RUFFA, Chiara, SOETERS, Joseph, Cross-national research in the military : comparing operational styles, in Joseph SOETERS, Patricia M. SHIELDS and Sebastiaan RIETJENS (eds), Routledge handbook of research methods in military studies, London ; New York : Routledge, 2014, pp. 216-227
- https://hdl.handle.net/1814/37682