Gaya APA

Tearpock, D, J., Bischke, R, E. (1991). Applied Subsurface Geological Mapping . New Jersey: Pretince-Hall, Inc.

Gaya MLA

Tearpock, Daniel, J., Bischke, Richard, E. "Applied Subsurface Geological Mapping". New Jersey: Pretince-Hall, Inc, 1991. Text.