Dyfyniad APA

Parasnis, D. S. (1979). Principles of applied geophysics (3d ed.). Chapman and Hall ; distributed in the U.S.A. by Halsted Press a division of John Wiley.

Dyfyniad Arddull Chicago

Parasnis, D. S. Principles of Applied Geophysics. 3d ed. London : New York: Chapman and Hall ; distributed in the U.S.A. by Halsted Press a division of John Wiley, 1979.

Dyfyniad MLA

Parasnis, D. S. Principles of Applied Geophysics. 3d ed. Chapman and Hall ; distributed in the U.S.A. by Halsted Press a division of John Wiley, 1979.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.