Παραπομπή σε μορφή APA (7η εκδ.)

(1996). The international directory of business information sources and services (2nd ed.). Europa Publications.

Παραπομπή σε μορφή Chicago (17η εκδ.)

The International Directory of Business Information Sources and Services. 2nd ed. London: Europa Publications, 1996.

Παραπομπή σε μορφή MLA (9th εκδ.)

The International Directory of Business Information Sources and Services. 2nd ed. Europa Publications, 1996.