APA ציטוט

Organisation for Economic Co-operation and Development. Directorate for Scientific Affairs. (1968). Denmark, Italie, Luxembourg.

Chicago Style (17th ed.) Citation

Organisation for Economic Co-operation and Development. Directorate for Scientific Affairs. Denmark, Italie, Luxembourg. [Paris], 1968.

ציטוט MLA

Organisation for Economic Co-operation and Development. Directorate for Scientific Affairs. Denmark, Italie, Luxembourg. 1968.