Mortensen, Tara Buehner; Keshelashvili, Ana (2013-07-01). "If Everyone with a Camera Can Do This, Then What? Professional Photojournalists' Sense of Professional Threat in the Face of Citizen Photojournalism". Visual Communication Quarterly. 20 (3): 144–158. doi:10.1080/15551393.2013.820587. ISSN1555-1393.
Mortensen, Tara Buehner; Keshelashvili, Ana (2013-07-01). "If Everyone with a Camera Can Do This, Then What? Professional Photojournalists' Sense of Professional Threat in the Face of Citizen Photojournalism". Visual Communication Quarterly. 20 (3): 144–158. doi:10.1080/15551393.2013.820587. ISSN1555-1393.