Gaya APA

Patra, H., Mallick, K. (1980). Geosounding Principles, 2: Time-Varying Geoelectric Sounding : Methods in Geochemistry and Geophysics 14B . Amsterdam: Elsevier Scientific Pub. Co..

Gaya MLA

Patra, H.P.., Mallick, K.. "Geosounding Principles, 2: Time-Varying Geoelectric Sounding : Methods in Geochemistry and Geophysics 14B". Amsterdam: Elsevier Scientific Pub. Co., 1980. Text.