(1928). Practical Aids for Domestic Commerce. Department of Commerce Bureau of Foreign and Domestic Commerce.
Chicago-Zitierstil (17. Ausg.)Practical Aids for Domestic Commerce. Washington: Department of Commerce Bureau of Foreign and Domestic Commerce, 1928.
MLA-Zitierstil (9. Ausg.)Practical Aids for Domestic Commerce. Department of Commerce Bureau of Foreign and Domestic Commerce, 1928.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.