Gaya APA

Flanagan, S, J., Schear, J, A. (2001). Strategic challenges : america's global security agenda (ed. 1). Virginia, Dulles: Potomac Books.

Gaya MLA

Flanagan, Stephen, J.., Schear, James, A.. "Strategic challenges : america's global security agenda". ed. 1 Virginia, Dulles: Potomac Books, 2001. Text.