Birks, J. S. (1978). The Kingdom of Saudi Arabia and the Libyan Arab Jamahiriya: The key countries of employment. International Labour Office.
Chicago Style aipamenaBirks, J. S. The Kingdom of Saudi Arabia and the Libyan Arab Jamahiriya: The Key Countries of Employment. Geneva [Switzerland]: International Labour Office, 1978.
MLA aipamenaBirks, J. S. The Kingdom of Saudi Arabia and the Libyan Arab Jamahiriya: The Key Countries of Employment. International Labour Office, 1978.
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