APA

United States, . (1955). Beneficiation and utilization of manganese deposits in United States: hearinges [sic] before Subcommittee on Minerals, Materials, and Fuels, 84th Congress, 1st session to determine best methods and means of utilizing manganese deposits in United States, Apr. 12-14, 1955. [Washington, D.C.]: .

Chicago

United States, . 1955. Beneficiation and utilization of manganese deposits in United States: hearinges [sic] before Subcommittee on Minerals, Materials, and Fuels, 84th Congress, 1st session to determine best methods and means of utilizing manganese deposits in United States, Apr. 12-14, 1955. [Washington, D.C.]: .

Harvard

United States, . (1955). Beneficiation and utilization of manganese deposits in United States: hearinges [sic] before Subcommittee on Minerals, Materials, and Fuels, 84th Congress, 1st session to determine best methods and means of utilizing manganese deposits in United States, Apr. 12-14, 1955. [Washington, D.C.]: .

MLA

United States, . Beneficiation and utilization of manganese deposits in United States: hearinges [sic] before Subcommittee on Minerals, Materials, and Fuels, 84th Congress, 1st session to determine best methods and means of utilizing manganese deposits in United States, Apr. 12-14, 1955. [Washington, D.C.]: . 1955.