Não informado. (2014). Monthly Catalog of United States Government Publications. United States Government Publications.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Monthly Catalog of United States Government Publications. Washington: United States Government Publications, 2014.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Monthly Catalog of United States Government Publications. United States Government Publications, 2014.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.