@book{391390,
	author = {TURBIVILLE JR., Graham Hall},
	title = {Guerrilla counterintelligence},
	publisher = {Joint Special Operations University (JSOU)},
	year = {2009},
	series = {JSOU Report},
	address = {Hurlburt Field, Florida},
	note = {Ficheiro de 1,38 Mb em formato pdf (92 p.). Disponível também em: https://www.globalsecurity.org/military/library/report/2009/0901_jsou-report-09-1.pdf. Acedido a 29 de janeiro de 2013.}
}