Dyfyniad APA

Telford, W. M., Geldart, L. P., & Sheriff, R. E. (1988). Applied geophysics (2nd ed.). University Press.

Dyfyniad Arddull Chicago

Telford, W. M., L. P. Geldart, and R. E. Sheriff. Applied Geophysics. 2nd ed. Cambridge: University Press, 1988.

Dyfyniad MLA

Telford, W. M., et al. Applied Geophysics. 2nd ed. University Press, 1988.

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