Gaya APA

M, E., Galfi, J. (1988). Surface And Subsurface Mapping In Hydrogeology . New York: A. Wiley-Interscience Publication.

Gaya MLA

M, Erdelyi.., Galfi, J.. "Surface And Subsurface Mapping In Hydrogeology". New York: A. Wiley-Interscience Publication, 1988. Text.