U.S. Department of the Interior & Bureau of Reclamation. (1949). Mass concrete investigations. U.S. Department of the Interior.
Citazione stile Chigago Style (17a edizione)U.S. Department of the Interior e Bureau of Reclamation. Mass Concrete Investigations. Denver, Colorado, U.S.A: U.S. Department of the Interior, 1949.
Citatione MLA (9a ed.)U.S. Department of the Interior e Bureau of Reclamation. Mass Concrete Investigations. U.S. Department of the Interior, 1949.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.