USA Bureau of Foreign and Domestic Commerce. (1927). Domestic commerce series. United States Government Printing Office.
Chicago-Zitierstil (17. Ausg.)USA Bureau of Foreign and Domestic Commerce. Domestic Commerce Series. Washington: United States Government Printing Office, 1927.
MLA-Zitierstil (9. Ausg.)USA Bureau of Foreign and Domestic Commerce. Domestic Commerce Series. United States Government Printing Office, 1927.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.