Cita APA (7a ed.)

Hartley, K. (1991). The economics of defence policy. Brassey's.

Cita Chicago Style (17a ed.)

Hartley, Keith. The Economics of Defence Policy. Londres: Brassey's, 1991.

Cita MLA (9a ed.)

Hartley, Keith. The Economics of Defence Policy. Brassey's, 1991.