International Federation for Documentation. (1950). Directory of microfilm and photocopying services (Prelim. ed.).
Chicago Style (17th ed.) CitationInternational Federation for Documentation. Directory of Microfilm and Photocopying Services. Prelim. ed. The Hague, 1950.
MLA (8th ed.) CitationInternational Federation for Documentation. Directory of Microfilm and Photocopying Services. Prelim. ed. 1950.
Warning: These citations may not always be 100% accurate.