Παραπομπή σε μορφή APA (7η εκδ.)

(1999). Cities of the world: A compilation of current information on cultural,geographical, and political conditions in the countries and cities of six continents, based on the Department of State's "Post Reports" (5th ed.). Gale.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Cities of the World: A Compilation of Current Information on Cultural,geographical, and Political Conditions in the Countries and Cities of Six Continents, Based on the Department of State's "Post Reports". 5th ed. Detroit: Gale, 1999.

Παραπομπή σε μορφή MLA (9th εκδ.)

Cities of the World: A Compilation of Current Information on Cultural,geographical, and Political Conditions in the Countries and Cities of Six Continents, Based on the Department of State's "Post Reports". 5th ed. Gale, 1999.