United States, National Technical Information Service\nClearinghouse for Federal Scientific and Technical Information (U.S.). (2022). U.S. Government Research and Development Reports. U.S. Government Printing Office, Division of Public Document.
Παραπομπή σε μορφή Chicago (17η εκδ.)United States, National Technical Information Service\nClearinghouse for Federal Scientific and Technical Information (U.S.). U.S. Government Research and Development Reports. Washington: U.S. Government Printing Office, Division of Public Document, 2022.
Παραπομπή σε μορφή MLA (8th εκδ.)United States, National Technical Information Service\nClearinghouse for Federal Scientific and Technical Information (U.S.). U.S. Government Research and Development Reports. U.S. Government Printing Office, Division of Public Document, 2022.