APA (7th ed.) Zitazioa

(1980). The World directory of multinational enterprises. Facts on File.

Chicago Style (17th ed.) Zitazioa

The World Directory of Multinational Enterprises. New York: Facts on File, 1980.

MLA (9th ed.) Zitazioa

The World Directory of Multinational Enterprises. Facts on File, 1980.