Qataa Ali, S. (2009). The elements of the American power and its impact on the international system. , 0(42), 155-174.

Saleem Qataa Ali. "The elements of the American power and its impact on the international system". , 0, 42, 2009, 155-174.

Qataa Ali, S. (2009). 'The elements of the American power and its impact on the international system', , 0(42), pp. 155-174.

Qataa Ali, S. The elements of the American power and its impact on the international system. , 2009; 0(42): 155-174.