APA

U.S. Environmental Proctection Agency, . (1973). Comparative costs of erosion and sediment control, construction activites. Washington: W.

Chicago

U.S. Environmental Proctection Agency, . 1973. Comparative costs of erosion and sediment control, construction activites. Washington: W.

Harvard

U.S. Environmental Proctection Agency, . (1973). Comparative costs of erosion and sediment control, construction activites. Washington: W.

MLA

U.S. Environmental Proctection Agency, . Comparative costs of erosion and sediment control, construction activites. Washington: W. 1973.