The World of Information. (1990). The Middle East Review: The Economic and Business Report (sixteenth Edition.). The World of Information.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)The World of Information. The Middle East Review: The Economic and Business Report. sixteenth Edition. Uk: The World of Information, 1990.
MLA -ийн эшлэл (9 дэх хэвлэлт)The World of Information. The Middle East Review: The Economic and Business Report. sixteenth Edition. The World of Information, 1990.