Hardage, B. A. (1983). Vertical seismic profiling. Geophysical Press Worldwide distributors, Expro Science Publications.
Cita Chicago (17th ed.)Hardage, Bob Adrian. Vertical Seismic Profiling. London, Amsterdam, Netherlands: Geophysical Press Worldwide distributors, Expro Science Publications, 1983.
Cita MLA (9th ed.)Hardage, Bob Adrian. Vertical Seismic Profiling. Geophysical Press Worldwide distributors, Expro Science Publications, 1983.
Atenció: Aquestes cites poden no estar 100% correctes.