Sabri Shakir, A., Ahmed Khalaf, M., Abdul Aziz, M. (2009). Britain's position of the Italian Treaty of Yemen 1926-1936 m. Alustath, 5(48), 217-239.

Ahmed Sabri Shakir; Moaed Ahmed Khalaf; Muhannad Abdul Aziz. "Britain's position of the Italian Treaty of Yemen 1926-1936 m". Alustath, 5, 48, 2009, 217-239.

Sabri Shakir, A., Ahmed Khalaf, M., Abdul Aziz, M. (2009). 'Britain's position of the Italian Treaty of Yemen 1926-1936 m', Alustath, 5(48), pp. 217-239.

Sabri Shakir, A., Ahmed Khalaf, M., Abdul Aziz, M. Britain's position of the Italian Treaty of Yemen 1926-1936 m. Alustath, 2009; 5(48): 217-239.