
Nielsson, M. (2009). Amber Nine: NATO's Secret Use of a Flight Path over Sweden and the Incorporation of Sweden in NATO's Infrastructure. Journal of contemporary history.
Citação norma ChicagoNielsson, Mikael. "Amber Nine: NATO's Secret Use of a Flight Path over Sweden and the Incorporation of Sweden in NATO's Infrastructure." Journal of Contemporary History 2009.
Citação norma MLANielsson, Mikael. "Amber Nine: NATO's Secret Use of a Flight Path over Sweden and the Incorporation of Sweden in NATO's Infrastructure." Journal of Contemporary History, 2009.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.