Gaya APA

Eaton, A, R, Z, G, P. (1974). Techniques of Water-Resources Investigations of the United States Geological Survey : Application of Surface Geophysics to Ground-Water Investigations . Washington: United States Government Printing Office.

Gaya MLA

Eaton, A.A, R., Zohdy,, G., P.. "Techniques of Water-Resources Investigations of the United States Geological Survey : Application of Surface Geophysics to Ground-Water Investigations". Washington: United States Government Printing Office, 1974. Text.