Howie, L. (2014). Security Guards and Counter-terrorism: Tourism and Gaps in Terrorism Prevention. The international journal of religious tourism and pilgrimage.
Cita Chicago Style (17a ed.)Howie, Luke. "Security Guards and Counter-terrorism: Tourism and Gaps in Terrorism Prevention." The International Journal of Religious Tourism and Pilgrimage 2014.
Cita MLA (9a ed.)Howie, Luke. "Security Guards and Counter-terrorism: Tourism and Gaps in Terrorism Prevention." The International Journal of Religious Tourism and Pilgrimage, 2014.
Precaución: Estas citas no son 100% exactas.