Gaya APA

Sommer, H, B, H, ;, A, L, P, ;, M. (1989). The conquest of war: alternative strategies for global security . USA: WESTVIEW PRESS.

Gaya MLA

Sommer, Harry, B., Hollins, ;, Averill, L., Powers, ;, Mark. "The conquest of war: alternative strategies for global security". USA: WESTVIEW PRESS, 1989. Text.