APA (7e ed.) Bronvermelding

USMAN, B. (2017). Issues and challenges of national security. Klamidas Communications.

Chicago (17e ed.) Bronvermelding

USMAN, Bukar. Issues and Challenges of National Security. Klamidas Communications, 2017.

MLA (9e ed.) Bronvermelding

USMAN, Bukar. Issues and Challenges of National Security. Klamidas Communications, 2017.

Let op: Deze citaties zijn niet altijd 100% accuraat.