APA citiranje

National Center for Educational Research and Development (U.S.) & Organisation for Economic Co-operation and Development. (1969). Educational research and development in the United States. U.S. Office of Education; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.].

Chicago Style (17th ed.) Citation

National Center for Educational Research and Development (U.S.) and Organisation for Economic Co-operation and Development. Educational Research and Development in the United States. [Washington]: U.S. Office of Education; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1969.

MLA citiranje

National Center for Educational Research and Development (U.S.) and Organisation for Economic Co-operation and Development. Educational Research and Development in the United States. U.S. Office of Education; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1969.