Petersen, J. (2009). Understanding Surveillance Technologies: Spy Devices, Privacy, History, & Applications, Revised and Expanded Second Edition. CRC Press.
استشهاد بنمط شيكاغوPetersen, J.K. Understanding Surveillance Technologies: Spy Devices, Privacy, History, & Applications, Revised and Expanded Second Edition. CRC Press, 2009.
MLA استشهادPetersen, J.K. Understanding Surveillance Technologies: Spy Devices, Privacy, History, & Applications, Revised and Expanded Second Edition. CRC Press, 2009.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.