Não informado. (2022). U.S. Government Research Reports. U.S. Department of Commerce, Office of Technical Services.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. U.S. Government Research Reports. Washington: U.S. Department of Commerce, Office of Technical Services, 2022.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. U.S. Government Research Reports. U.S. Department of Commerce, Office of Technical Services, 2022.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.