Dyfyniad APA

Keary, P., & By , B. .. (1991). An introduction to geophysical exploration (2nd ed.). Blackwell Science.

Dyfyniad Arddull Chicago

Keary, Philip, and Brooks By. An Introduction to Geophysical Exploration. 2nd ed. London: Blackwell Science, 1991.

Dyfyniad MLA

Keary, Philip, and Brooks By. An Introduction to Geophysical Exploration. 2nd ed. Blackwell Science, 1991.

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