USMAN, B. (2017). Issues and challenges of national security. Klamidas Communications.
Cita Chicago Style (17a ed.)USMAN, Bukar. Issues and Challenges of National Security. Klamidas Communications, 2017.
Cita MLA (9a ed.)USMAN, Bukar. Issues and Challenges of National Security. Klamidas Communications, 2017.
Precaución: Estas citas no son 100% exactas.